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2003 GMC Sierra 1500 Exhaust System



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Borla Exhaust System - Cat-Back(TM) System - Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round - 12 in. Long - Single Round Rolled Angle-Cut Tip - Split Side Exit;
Sale Price: $892.99
with FREE Shipping
(2) In Stock
Part Number: 4253-03153942
Notes: Cat-Back(TM) System; Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round; 12 in. Long; Single Round Rolled Angle-Cut Tip; Split Side Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Borla Exhaust System - Cat-Back(TM) System - Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round - 14 in. Long - Single Round Rolled Angle-Cut Tip - Side Exit;
Sale Price: $586.99
with FREE Shipping
(3) In Stock
Part Number: 4253-03153954
Notes: Cat-Back(TM) System; Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round; 14 in. Long; Single Round Rolled Angle-Cut Tip; Side Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Borla Exhaust System - Cat-Back(TM) System - Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round - 14 in. Long - Single Round Rolled Angle-Cut Tip - Split Rear Exit;
Sale Price: $855.99
with FREE Shipping
(2) In Stock
Part Number: 4253-03153955
Notes: Cat-Back(TM) System; Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round; 14 in. Long; Single Round Rolled Angle-Cut Tip; Split Rear Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Extreme - Aluminized - 2.5in.Tubing - 8in.Round - 2.5in.DualInlet - 3.0in.DualInlet - L-24 in. - Tip-3.5 in. / Polished / Slash-Cut - ExitBehindEachRearTire;
Sale Price: $444.57
with FREE Shipping
(2) In Stock
Part Number: 4253-03040652
Notes: Cat Back Dual Extreme; Aluminized; 2.5in.Tubing; 8in.Round; 2.5in.DualInlet; 3.0in.DualInlet; L-24 in.; Tip-3.5 in. / Polished / Slash-Cut; ExitBehindEachRearTire;
Detailed Notes: With Stock Single Inlet Muffler~ 4WD Must Remove Spare Tire
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Extreme - Aluminized - 2.5in.Tubing - 8in.Round - 2.5in.DualInlet - 3.0in.DualInlet - L-24 in. - Tip-3.5 in. / Polished / Slash-Cut - ExitBehindEachRearTire;
Sale Price: $405.99
with FREE Shipping
(3) In Stock
Part Number: 4253-03040664
Notes: Cat Back Dual Extreme; Aluminized; 2.5in.Tubing; 8in.Round; 2.5in.DualInlet; 3.0in.DualInlet; L-24 in.; Tip-3.5 in. / Polished / Slash-Cut; ExitBehindEachRearTire;
Detailed Notes: With Stock Single Inlet Muffler~ 4WD Must Remove Spare Tire
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  96.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Extreme - Stainless - 2.5in.Tubing - 8in.Round - 2.5in.DualInlet - 3.0in.DualInlet - L-24 in. - Tip-3.5 in. / Polished / Slash-Cut - ExitBehindEachRearTire;
Sale Price: $579.76
with FREE Shipping
(1) In Stock
Part Number: 4253-03040654
Notes: Cat Back Dual Extreme; Stainless; 2.5in.Tubing; 8in.Round; 2.5in.DualInlet; 3.0in.DualInlet; L-24 in.; Tip-3.5 in. / Polished / Slash-Cut; ExitBehindEachRearTire;
Detailed Notes: With Stock Single Inlet Muffler~ 4WD Must Remove Spare Tire
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Split Rear - Aluminized - 2.5 in.Tubing;8 in. Round;2.5 in.Dual Inlet;3in.Offset Outlet;L-24 in.;3.5 in.Polished / Slash-Cut Tip;Exit Straight Out Back;
Sale Price: $444.57
with FREE Shipping
(3) In Stock
Part Number: 4253-03040892
Notes: Cat Back Dual Split Rear; Aluminized; 2.5 in.Tubing;8 in. Round;2.5 in.Dual Inlet;3in.Offset Outlet;L-24 in.;3.5 in.Polished / Slash-Cut Tip;Exit Straight Out Back;
Detailed Notes: With Stock Single Inlet Muffler~ 4WD Must Remove Spare Tire
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Split Rear - Stainless - 2.5 in.Tubing;8 in. Round;2.5 in.Dual Inlet;3in.Offset Outlet;L-24 in.;3.5 in.Polished / Slash-Cut Tip;Exit Straight Out Back;
Sale Price: $579.76
with FREE Shipping
(1) In Stock
Part Number: 4253-03040893
Notes: Cat Back Dual Split Rear; Stainless; 2.5 in.Tubing;8 in. Round;2.5 in.Dual Inlet;3in.Offset Outlet;L-24 in.;3.5 in.Polished / Slash-Cut Tip;Exit Straight Out Back;
Detailed Notes: With Stock Single Inlet Muffler~ 4WD Must Remove Spare Tire
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Sport - Aluminized - 2.5 in. Tubing;8 in.Round;2.5 in.DualInlet;3in.OffsetOutlet;3.5in.Polished / Slash-Cut Tip;ExitBehindRearTire;
Sale Price: $444.57
with FREE Shipping
(5) In Stock
Part Number: 4253-03040657
Notes: Cat Back Dual Sport; Aluminized; 2.5 in. Tubing;8 in.Round;2.5 in.DualInlet;3in.OffsetOutlet;3.5in.Polished / Slash-Cut Tip;ExitBehindRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Gibson Exhaust System - Cat Back Single Side - Stainless - 3in.Tubing;8in.RoundBody;3in.OffsetInlet;3in.OffsetOutlet;L-24in.;3.5in.Polished / Slash-CutTip;ExitBehindRearTire;
Sale Price: $508.04
with FREE Shipping
(1) In Stock
Part Number: 4253-03040895
Notes: Cat Back Single Side; Stainless; 3in.Tubing;8in.RoundBody;3in.OffsetInlet;3in.OffsetOutlet;L-24in.;3.5in.Polished / Slash-CutTip;ExitBehindRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Gibson Exhaust System - Cat Back Super Truck - Aluminized - 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Sale Price: $369.44
with FREE Shipping
(2) In Stock
Part Number: 4253-03041562
Notes: Cat Back Super Truck; Aluminized; 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 



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Gibson Exhaust System - Cat Back Super Truck - Aluminized - 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Sale Price: $369.44
with FREE Shipping
(4) In Stock
Part Number: 4253-03040661
Notes: Cat Back Super Truck; Aluminized; 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Gibson Exhaust System - Cat Back Super Truck - Stainless - 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Sale Price: $412.42
with FREE Shipping
(2) In Stock
Part Number: 4253-03041563
Notes: Cat Back Super Truck; Stainless; 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Super Truck - Stainless - 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Sale Price: $412.42
with FREE Shipping
(4) In Stock
Part Number: 4253-03040662
Notes: Cat Back Super Truck; Stainless; 2.5 in.Tubing;7in.RoundBody;6in.Polished / Oblong / Slash-CutTip;3in.CenterInlet;2.5in.DualOutlet;L-19in.;ExitInFrontOfRearTire;
Detailed Notes: With Stock Single Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT 4WD  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Extended Cab Pickup  5.3L V8  78.0" Bed 


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Walker Exhaust System
Sale Price: $325.23
(4) In Stock
Part Number: 4253-05387453
Notes: Dynomax Super Turbo Dual System -- Dual Exhaust; Exits In Rear On Either Side Of License Plate
Condition: New

Shipping Options:
Ground

This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 GMC Sierra 1500 4.3L V6  119.0 
• 2003 GMC Sierra 1500 4.8L V8  119.0 
• 2003 GMC Sierra 1500 5.3L V8  119.0 



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(Read reviews)
Banks Power Exhaust System - Monster(R) - 3 in. Inlet - 3 in. Outlet - Incl. Intermediate Pipe / Tailpipe / Muffler / 6x5 in. Obround Polished Tip - Single Side Exit - Stainless Steel;
Sale Price: $472.77
with FREE Shipping
(2) In Stock
Part Number: 4253-03290416
Notes: Monster(R); 3 in. Inlet; 3 in. Outlet; Incl. Intermediate Pipe / Tailpipe / Muffler / 6x5 in. Obround Polished Tip; Single Side Exit; Stainless Steel;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Corsa Exhaust System - Touring Cat-Back - Single Side Exit - 3 in. Dia. - Incl. Muffler / Pipes / Clamps / 4 in. Twin Pro-Series Tips - 50-State Emissions Legal;
Sale Price: $868.80
with FREE Shipping
(1) In Stock
Part Number: 4253-03292908
Notes: Touring Cat-Back; Single Side Exit; 3 in. Dia.; Incl. Muffler / Pipes / Clamps / 4 in. Twin Pro-Series Tips; 50-State Emissions Legal;
Detailed Notes: Fits Vehicles Equipped w / o Towing Hitch / Or w / GM Installed Tow Hitch
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Dynomax Exhaust System - Stainless Steel Cat-Back - 3 in. / 2.5 in. Dual System - Dual Split Rear Exit - Incl. Ultra Flo(TM) Welded Muffler - 3 in. Polished Stainless Steel Tips - 50 State Legal;
Sale Price: $371.64
(5) In Stock
Part Number: 4253-03269861
Notes: Stainless Steel Cat-Back; 3 in. / 2.5 in. Dual System; Dual Split Rear Exit; Incl. Ultra Flo(TM) Welded Muffler; 3 in. Polished Stainless Steel Tips; 50 State Legal;
Detailed Notes: Under 8600 Gross Vehicle Weight
Condition: New

Shipping Options:
Ground

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8 VIN: T GAS  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8 VIN: Z FLEX  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8 VIN: T GAS  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8 VIN: Z FLEX  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8 VIN: T GAS  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8 VIN: Z FLEX  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8 VIN: T GAS  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8 VIN: Z FLEX  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8 VIN: T GAS  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8 VIN: Z FLEX  78.0" Bed 



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Dynomax Exhaust System - Super Turbo Dual Cat-Back - 119in. W.B. - 2.5 in. System - Incl. Intermediate Pipe - Super Turbo Muffler - Tail Pipes - Pipe Extension - Clamps;
Sale Price: $340.49
(1) In Stock
Part Number: 4253-03269852
Notes: Super Turbo Dual Cat-Back; 119in. W.B.; 2.5 in. System; Incl. Intermediate Pipe; Super Turbo Muffler; Tail Pipes; Pipe Extension; Clamps;
Condition: New

Shipping Options:
Ground

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8 VIN: T GAS  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8 VIN: T GAS  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8 VIN: T GAS  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8 VIN: T GAS  96.0" Bed 



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Flowmaster Exhaust System - American Thunder Cat Back - Single - Dual Rear / Side Exit - Incl. 2.5 in. Outlets - 40 Series(TM) Muffler - Tube Extensions - 3 in. Logo Embossed Stainless Tips;
Sale Price: $616.73
with FREE Shipping
(13) In Stock
Part Number: 4253-03181983
Notes: American Thunder Cat Back; Single; Dual Rear / Side Exit; Incl. 2.5 in. Outlets; 40 Series(TM) Muffler; Tube Extensions; 3 in. Logo Embossed Stainless Tips;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Flowmaster Exhaust System - American Thunder Cat Back - Single - Dual Rear / Side Exits - Incl. 2.5 in. Tubing - Super 50 Series(TM) Muffler - 3 in. Logo Embossed Stainless Tips - 409S SS;
Sale Price: $677.90
with FREE Shipping
(6) In Stock
Part Number: 4253-03187672
Notes: American Thunder Cat Back; Single; Dual Rear / Side Exits; Incl. 2.5 in. Tubing; Super 50 Series(TM) Muffler; 3 in. Logo Embossed Stainless Tips; 409S SS;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Flowmaster Exhaust System - American Thunder Muscle Truck - Single;Same Side Exit;Dual RH Before Rear Axle;Incl. 2.5 in. Tailpipes / Super 40 Series(TM) Muffler / 3 in. Logo Embossed SS Tips - 409S SS;
Sale Price: $503.69
with FREE Shipping
(6) In Stock
Part Number: 4253-03185278
Notes: American Thunder Muscle Truck; Single;Same Side Exit;Dual RH Before Rear Axle;Incl. 2.5 in. Tailpipes / Super 40 Series(TM) Muffler / 3 in. Logo Embossed SS Tips; 409S SS;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Flowmaster Exhaust System - American Thunder Muscle Truck - Single;Same Side Exit;Dual RH Before Rear Axle;Incl. 2.5 in. Tailpipes / Super 40 Series(TM) Muffler / 3 in. Logo Embossed Stainless Tips;
Sale Price: $425.00
with FREE Shipping
(4) In Stock
Part Number: 4253-03159779
Notes: American Thunder Muscle Truck; Single;Same Side Exit;Dual RH Before Rear Axle;Incl. 2.5 in. Tailpipes / Super 40 Series(TM) Muffler / 3 in. Logo Embossed Stainless Tips;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Flowmaster Exhaust System - Force II Cat Back - Single - Single Side Exit - Incl. 3 in. Tailpipe - 50 Series(TM) SUV Muffler - 3.5 in. Logo Embossed Stainless Tip;
Sale Price: $472.20
with FREE Shipping
(2) In Stock
Part Number: 4253-03159782
Notes: Force II Cat Back; Single; Single Side Exit; Incl. 3 in. Tailpipe; 50 Series(TM) SUV Muffler; 3.5 in. Logo Embossed Stainless Tip;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Denali  Extended Cab Pickup  6.0L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Flowmaster Exhaust System - Force II Cat Back - Single - Single Side Exit - Incl. 3 in. Tailpipe - 50 Series(TM) SUV Muffler - Stock To Mild Exterior Exhaust Tone;
Sale Price: $370.42
with FREE Shipping
(3) In Stock
Part Number: 4253-03159785
Notes: Force II Cat Back; Single; Single Side Exit; Incl. 3 in. Tailpipe; 50 Series(TM) SUV Muffler; Stock To Mild Exterior Exhaust Tone;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.3L V6  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  96.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8  96.0" Bed 



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(Read reviews)
Flowmaster Exhaust System - Force II Cat Back - Single;Dual Rear / Side Exit - Incl. 2.5 in. Tailpipes - 50 Series(TM) SUV Muffler - Stainless Tips - w / Flanged Cat;
Sale Price: $524.68
with FREE Shipping
(1) In Stock
Part Number: 4253-03159783
Notes: Force II Cat Back; Single;Dual Rear / Side Exit; Incl. 2.5 in. Tailpipes; 50 Series(TM) SUV Muffler; Stainless Tips; w / Flanged Cat;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8  78.0" Bed 



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Magnaflow Exhaust System - Stainless Steel Cat-Back Performance - 2.5 / 3.0 in. Tubing - 3.5 in. Polished Stainless Tip - 5 x 11 x 22 in. Muffler - Dual Same Side Before Passenger Rear Tire;
Sale Price: $746.92
with FREE Shipping
(2) In Stock
Part Number: 4253-03041231
Notes: Stainless Steel Cat-Back Performance; 2.5 / 3.0 in. Tubing; 3.5 in. Polished Stainless Tip; 5 x 11 x 22 in. Muffler; Dual Same Side Before Passenger Rear Tire;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Magnaflow Exhaust System - Stainless Steel Cat-Back Performance - 3 in. Tubing - 4 in. Polished Stainless Tip - 5 x 11 x 22 in. Muffler - Single 90 Deg. Passenger Side Rear Exit;
Sale Price: $661.69
with FREE Shipping
(4) In Stock
Part Number: 4253-03041229
Notes: Stainless Steel Cat-Back Performance; 3 in. Tubing; 4 in. Polished Stainless Tip; 5 x 11 x 22 in. Muffler; Single 90 Deg. Passenger Side Rear Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Magnaflow Exhaust System - Stainless Steel Cat-Back Performance - 3 in. / 2.5 in. Tubing - 3.5 in. Polished Stainless Tip - 5 x 8 x 18 in. Muffler - Dual Split Rear Exit;
Sale Price: $719.24
with FREE Shipping
(1) In Stock
Part Number: 4253-03041258
Notes: Stainless Steel Cat-Back Performance; 3 in. / 2.5 in. Tubing; 3.5 in. Polished Stainless Tip; 5 x 8 x 18 in. Muffler; Dual Split Rear Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Magnaflow Exhaust System - Stainless Steel Cat-Back Performance - 3.0 / 2.5 in. Tubing - 3.5 in. Polished Stainless Tip - 5 x 8 x 18in. Muffler - Dual Split Rear Exit;
Sale Price: $719.24
with FREE Shipping
(8) In Stock
Part Number: 4253-03041232
Notes: Stainless Steel Cat-Back Performance; 3.0 / 2.5 in. Tubing; 3.5 in. Polished Stainless Tip; 5 x 8 x 18in. Muffler; Dual Split Rear Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
MBRP Exhaust System - Black Series Cat Back Single Side Exit - Aluminized - Inc. Muffler / Tailpipe / Exhaust Tip - Black Finish;
Sale Price: $514.99
with FREE Shipping
(8) In Stock
Part Number: 4253-03341221
Notes: Black Series Cat Back Single Side Exit; Aluminized; Inc. Muffler / Tailpipe / Exhaust Tip; Black Finish;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
MBRP Exhaust System - Installer Series Cat Back Dual Split Side Exit - Aluminized - Inc. Muffler / Tailpipe / Exhaust Tip;
Sale Price: $419.99
with FREE Shipping
(1) In Stock
Part Number: 4253-03295543
Notes: Installer Series Cat Back Dual Split Side Exit; Aluminized; Inc. Muffler / Tailpipe / Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
MBRP Exhaust System - Installer Series Cat Back Dual Split Side Exit - Aluminized - Inc. Muffler / Tailpipe / Exhaust Tip;
Sale Price: $409.99
with FREE Shipping
(1) In Stock
Part Number: 4253-03295528
Notes: Installer Series Cat Back Dual Split Side Exit; Aluminized; Inc. Muffler / Tailpipe / Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
MBRP Exhaust System - Installer Series Cat Back Single Side Exit - Aluminized - Inc. Muffler / Tailpipe / Exhaust Tip;
Sale Price: $334.99
with FREE Shipping
(10) In Stock
Part Number: 4253-03295482
Notes: Installer Series Cat Back Single Side Exit; Aluminized; Inc. Muffler / Tailpipe / Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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MBRP Exhaust System - Performance Series Cat Back - HD Aluminized Steel - Single Side;
Sale Price: $284.99
with FREE Shipping
(5) In Stock
Part Number: 4253-03295491
Notes: Performance Series Cat Back; HD Aluminized Steel; Single Side;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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MBRP Exhaust System - XP Series Cat Back Dual Split Side Exit - T409 Stainless Steel - Inc. Muffler / Tailpipe / Exhaust Tip;
Sale Price: $514.99
with FREE Shipping
(6) In Stock
Part Number: 4253-03295534
Notes: XP Series Cat Back Dual Split Side Exit; T409 Stainless Steel; Inc. Muffler / Tailpipe / Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 


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Walker Exhaust System
Sale Price: $325.23

Out of Stock
Part Number: 4253-05388053
Notes: Dynomax Ultra Flo Welded Dual System -- T-409 Stainless Steel; Exits In Rear On Either Side Of License Plate; Dual Exhaust; Under 8600 G.V.W.R.
Condition: New

Shipping Options:
Ground

This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 GMC Sierra 1500 4.3L V6  143.5 
• 2003 GMC Sierra 1500 4.8L V8  143.5 
• 2003 GMC Sierra 1500 5.3L V8  143.5 



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Borla Exhaust System - Cat-Back(TM) System - Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round - 12 in. Long - Single Round Rolled Angle-Cut Tip - Split Side Exit;
Sale Price: $855.99
with FREE Shipping

Out of Stock
Part Number: 4253-03153953
Notes: Cat-Back(TM) System; Incl. Connecting Pipes / Mufflers / Tips / Mounting Hardware / 4 in. Round; 12 in. Long; Single Round Rolled Angle-Cut Tip; Split Side Exit;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLT  Extended Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT  Extended Cab Pickup  5.3L V8  78.0" Bed 



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Flowmaster Exhaust System - Force II Cat Back - Single - Single Side Exit - Incl. 3 in. Tailpipe - 50 Series(TM) SUV Muffler - Mild exterior exhaust tone;
Sale Price: $372.54
with FREE Shipping

Out of Stock
Part Number: 4253-03159780
Notes: Force II Cat Back; Single; Single Side Exit; Incl. 3 in. Tailpipe; 50 Series(TM) SUV Muffler; Mild exterior exhaust tone;
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Dual Extreme - Aluminized - 2.5 in. Tubing - 8in.Round - 2.5in.Center Inlet - 3in.DualInlet - L-24 in. - Tip-3.5 in. / Polished / Slash-Cut - ExitBehindEachRearTire;
Sale Price: $405.99
with FREE Shipping

Out of Stock
Part Number: 4253-03040663
Notes: Cat Back Dual Extreme; Aluminized; 2.5 in. Tubing; 8in.Round; 2.5in.Center Inlet; 3in.DualInlet; L-24 in.; Tip-3.5 in. / Polished / Slash-Cut; ExitBehindEachRearTire;
Detailed Notes: With Stock Single Inlet Muffler~ 4 Inch Downpipe
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 Base RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SL RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 SLE RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.3L V6  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  4.8L V8  78.0" Bed 
• 2003 GMC Sierra 1500 WT RWD  Standard Cab Pickup  5.3L V8  78.0" Bed 



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(Read reviews)
Gibson Exhaust System - Cat Back Single Side - Aluminized - 3in. Tubing - 8 in. Round Body - 2.50 in. Dual Inlet - 3 in. Offset Outlet - L-24 in. - 3.5 in. Polished / Round / Slash-Cut Tip - Exit Behind Rear Tire;
Sale Price: $428.87
with FREE Shipping

Out of Stock
Part Number: 4253-03578847
Notes: Cat Back Single Side; Aluminized; 3in. Tubing; 8 in. Round Body; 2.50 in. Dual Inlet; 3 in. Offset Outlet; L-24 in.; 3.5 in. Polished / Round / Slash-Cut Tip; Exit Behind Rear Tire;
Detailed Notes: With Stock Dual Inlet Muffler
Condition: New

Shipping Options:
Free Ground Shipping

This Product Fits the Following: Warehouse: F
Vehicle Sub Model Body Engine Bed Info
• 2003 GMC Sierra 1500 Denali  Extended Cab Pickup  6.0L V8  78.0" Bed 



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