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2003 Chevrolet Silverado 2500 HD Muffler

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Flowmaster Muffler - 50 Series(TM) Big Block - 3 in. Dual Inlet / 2.5 in. Dual Outlet - Case Dimensions 5 in. x 12 in. x 22 in. - 28 in. Overall Length - Aluminized Steel;

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Sale Price: $192.02
with FREE Shipping
(7) In Stock
Part Number: 3706-03159786
Notes: 50 Series(TM) Big Block; 3 in. Dual Inlet / 2.5 in. Dual Outlet; Case Dimensions 5 in. x 12 in. x 22 in.; 28 in. Overall Length; Aluminized Steel;
Condition: New

Shipping Options:
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This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.0L V8 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8 

Flowmaster Muffler - 50 Series(TM) Big Block - 3 in. Dual Inlet / 3.5 in. Offset Outlet - Case Dimensions 5 in. x 12 in. x 22 in. - 28 in. Overall Length - Aluminized Steel;

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Sale Price: $192.02
with FREE Shipping
(>15) In Stock
Part Number: 3706-03159667
Notes: 50 Series(TM) Big Block; 3 in. Dual Inlet / 3.5 in. Offset Outlet; Case Dimensions 5 in. x 12 in. x 22 in.; 28 in. Overall Length; Aluminized Steel;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.0L V8 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8 

Flowmaster Muffler - 50 Series(TM) Heavy Duty - 3.5 in. Offset In - 3.5 in. Offset Out - 409S Stainless Steel - Moderate Sound;

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Sale Price: $191.86
with FREE Shipping
(4) In Stock
Part Number: 3706-03339193
Notes: 50 Series(TM) Heavy Duty; 3.5 in. Offset In; 3.5 in. Offset Out; 409S Stainless Steel; Moderate Sound;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.0L V8 
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - 50 Series(TM) Heavy Duty - 3.5 in. Offset Inlet / Offset Outlet - Case Dimensions 5 in. x 10 in. x 18 in. - 24 in. Overall Length - Aluminized Steel;

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Sale Price: $162.66
with FREE Shipping
(7) In Stock
Part Number: 3706-03159822
Notes: 50 Series(TM) Heavy Duty; 3.5 in. Offset Inlet / Offset Outlet; Case Dimensions 5 in. x 10 in. x 18 in.; 24 in. Overall Length; Aluminized Steel;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - 50 Series(TM) SUV - 3 in. Offset Inlet / Opposite Side Offset Outlet - Case Dimensions 5 in. x 10 in. x 17 in. - 23 in. Overall Length - Aluminized Steel;

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Sale Price: $136.40
with FREE Shipping
(5) In Stock
Part Number: 3706-03159671
Notes: 50 Series(TM) SUV; 3 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 17 in.; 23 in. Overall Length; Aluminized Steel;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - Pro Series - 3.5 in. Inlet / Outlet - Body Size 6 in. x 16 in. - 23 in. Overall Length - Aluminized;

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Sale Price: $178.38
with FREE Shipping
(3) In Stock
Part Number: 3706-03339201
Notes: Pro Series; 3.5 in. Inlet / Outlet; Body Size 6 in. x 16 in.; 23 in. Overall Length; Aluminized;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - Super 40(TM) Delta Flow - 3 in. Offset Inlet / Offset Outlet - Case Dimensions 5 in. x 10 in. x 13.5 in. - 17.5 in. Overall Length - 409S Stainless Steel;

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Sale Price: $98.98
with FREE Shipping
(10) In Stock
Part Number: 3706-03216223
Notes: Super 40(TM) Delta Flow; 3 in. Offset Inlet / Offset Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 17.5 in. Overall Length; 409S Stainless Steel;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - Super 40(TM) Delta Flow - 3 in. Offset Inlet / Opposite Side Offset Outlet - Case Dimensions 5 in. x 10 in. x 13.5 in. - 19.5 in. Overall Length - Aluminized Steel;

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Sale Price: $94.44
with FREE Shipping
(6) In Stock
Part Number: 3706-03159674
Notes: Super 40(TM) Delta Flow; 3 in. Offset Inlet / Opposite Side Offset Outlet; Case Dimensions 5 in. x 10 in. x 13.5 in.; 19.5 in. Overall Length; Aluminized Steel;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Walker Muffler
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Sale Price: $90.23
(2) In Stock
Part Number: 3706-05305588
Notes: Walker Quiet-Flow Muffler -- If welded assembly, replace all required parts.
Condition: New

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Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 Chevrolet Silverado 2500 HD 6.6L V8  133.0 
• 2003 Chevrolet Silverado 2500 HD 6.6L V8  143.5 
• 2003 Chevrolet Silverado 2500 HD 6.6L V8  153.0 
• 2003 Chevrolet Silverado 2500 HD 6.6L V8  157.5 
• 2003 Chevrolet Silverado 2500 HD 6.6L V8  167.0 

Walker Muffler
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Sale Price: $168.23
(10) In Stock
Part Number: 3706-05191278
Notes: Walker Quiet-Flow SS Muffler -- EXC. LEV; Fed. Emiss.; O.E. Diameter Muffler With 3" Inlet and Outlet; Single Outlet Muffler replaces Dual Outlet Mufler; If welded assembly, replace all required parts.
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 Chevrolet Silverado 2500 HD 6.0L V8  133.0 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8  133.0 

Walker Muffler
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Sale Price: $94.23
(10) In Stock
Part Number: 3706-05074245
Notes: Walker Quiet-Flow SS Muffler -- Fed. Emiss.; (EXC. LEV); Small Diameter Muffler With 2 1/2 Inch Inlet; If welded assembly, replace all required parts.; Use Reducer Bushing PN[41974] to connect with O.E. Converter Pipe.
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 Chevrolet Silverado 2500 HD 6.0L V8  143.5 
• 2003 Chevrolet Silverado 2500 HD 6.0L V8  153.0 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8  143.5 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8  153.0 

Walker Muffler
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Sale Price: $168.23
(10) In Stock
Part Number: 3706-05191278
Notes: Walker Quiet-Flow SS Muffler -- Fed. Emiss.; EXC. LEV; O.E. Diameter Muffler With 3" Inlet and Outlet; If welded assembly, replace all required parts.; Single Outlet Replaces Dual
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.0L V8 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8 

Walker Muffler
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(Read reviews)
Sale Price: $94.23
(10) In Stock
Part Number: 3706-05074245
Notes: Walker Quiet-Flow SS Muffler -- Fed. Emiss.; EXC. LEV; Small Diameter Muffler With 2 1/2 Inch Inlet; If welded assembly, replace all required parts.; Use Reducer Bushing PN[41974] to connect with O.E. Converter Pipe.
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: B
Vehicle Engine Wheel Base
• 2003 Chevrolet Silverado 2500 HD 6.0L V8  133.0 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8  133.0 

Dynomax Muffler - Ultra Flo Welded Universal - Round - 6 in. - 4 in. ID - 16 in. Shell Length - 21 in. Overall Length;

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Sale Price: $58.18
(1) In Stock
Part Number: 3706-03269868
Notes: Ultra Flo Welded Universal; Round; 6 in.; 4 in. ID; 16 in. Shell Length; 21 in. Overall Length;
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Dynomax Muffler - Ultra Flo Welded Universal - Round - 9 in. - 4 in. ID - 15 in. Shell Length - 22 in. Overall Length;

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Sale Price: $77.09
(2) In Stock
Part Number: 3706-03269886
Notes: Ultra Flo Welded Universal; Round; 9 in.; 4 in. ID; 15 in. Shell Length; 22 in. Overall Length;
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

MBRP Muffler - Dual System - 4 in. Dia. - T409 Stainless - Inc. Tailpipe And Exhaust Tip;

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Sale Price: $124.99
with FREE Shipping
(4) In Stock
Part Number: 3706-03295537
Notes: Dual System; 4 in. Dia.; T409 Stainless; Inc. Tailpipe And Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

MBRP Muffler - Installer Series Dual System - 4 in. Dia. - Aluminized - Inc. Tailpipe And Exhaust Tip;

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Sale Price: $109.99
with FREE Shipping
(4) In Stock
Part Number: 3706-03295540
Notes: Installer Series Dual System; 4 in. Dia.; Aluminized; Inc. Tailpipe And Exhaust Tip;
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

MBRP Muffler - Installer Series Single System - 5 in. Dia. - Aluminized;

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Sale Price: $49.99
(>15) In Stock
Part Number: 3706-03295425
Notes: Installer Series Single System; 5 in. Dia.; Aluminized;
Detailed Notes: Confirm Length Of The Muffler And Install Muffler Delete Of Same Length
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

MBRP Muffler - Installer Series Single System - Replaces 4 in. System w / 30 in. Body Length Muffler - Aluminized;

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Sale Price: $39.99
(>15) In Stock
Part Number: 3706-03295421
Notes: Installer Series Single System; Replaces 4 in. System w / 30 in. Body Length Muffler; Aluminized;
Detailed Notes: Confirm Length Of The Muffler And Install Muffler Delete Of Same Length
Condition: New

Shipping Options:
Ground
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.6L V8 

Flowmaster Muffler - 50 Series(TM) Heavy Duty - 4 in. Offset Inlet / Center Outlet - Case Dimensions 5 in. x 10 in. x 18 in. - 24 in. Overall Length - Aluminized Steel;

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Sale Price: $154.99
with FREE Shipping

Out of Stock
Part Number: 3706-03159792
Notes: 50 Series(TM) Heavy Duty; 4 in. Offset Inlet / Center Outlet; Case Dimensions 5 in. x 10 in. x 18 in.; 24 in. Overall Length; Aluminized Steel;
Features:
  • 3 Year Limited Warranty
  • Durable Fully Welded 16ga Aluminized Steel
  • Excellent Choice For Street Rods Cars and Trucks
  • Improved HP/TQ and Potential Mileage Improvement
  • Moderate to Aggressive Exterior Exhaust Tone
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow┬« Technology
  • Reduced Interior Resonance
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Warehouse: F
Vehicle Engine
• 2003 Chevrolet Silverado 2500 HD 6.0L V8 
• 2003 Chevrolet Silverado 2500 HD 8.1L V8 



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