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1991 Pontiac Firebird Exhaust System

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Flowmaster Exhaust System - American Thunder Cat Back Exhaust System - Single - Dual Rear Exit - Incl. 3.0 in. Tailpipes / 2.5 in. Flanged Cat / 80 Series(TM) Crossflow Muffler / 3.0 in. Logo Embossed Stainless Tips;Not Legal For Sale Or Use In California

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Our List Price: $430.97
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(11) In Stock
Part Number: 4668-03159723
Notes: American Thunder Cat Back Exhaust System; Single; Dual Rear Exit; Incl. 3.0 in. Tailpipes / 2.5 in. Flanged Cat / 80 Series(TM) Crossflow Muffler / 3.0 in. Logo Embossed Stainless Tips;Not Legal For Sale Or Use In California
Detailed Notes: Only Fits Vehicles w / Single 2.5 in. Flanged Converter
Features:
  • 3 Year Limited Warranty
  • Connects After Factory Catalytic Converter
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Incl. Hangers and Hardware For Easy Installation
  • Mandrel Bent 16ga Aluminized Tubing
  • Moderate Exterior Exhaust Tone
  • Premium Flowmaster Quality
Condition: New

Shipping Options:
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This Product Fits the Following: Catalog: F
Vehicle Engine
• 1991 Pontiac Firebird 5.0L V8 
• 1991 Pontiac Firebird 5.7L V8 

Flowmaster Exhaust System - American Thunder Cat Back Exhaust System - Single - Dual Rear Exit - Incl. 3.0 in. Tailpipes / 3.0 in. Flanged Cat / 80 Series(TM) Crossflow Muffler / 3.0 in. Logo Embossed Stainless Tips;Not Legal For Sale Or Use In California

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Our List Price: $491.97
with FREE Shipping
(12) In Stock
Part Number: 4668-03159724
Notes: American Thunder Cat Back Exhaust System; Single; Dual Rear Exit; Incl. 3.0 in. Tailpipes / 3.0 in. Flanged Cat / 80 Series(TM) Crossflow Muffler / 3.0 in. Logo Embossed Stainless Tips;Not Legal For Sale Or Use In California
Detailed Notes: With 3 in. Flanged Single Catalytic Converter
Features:
  • 3 Year Limited Warranty
  • Connects After Factory Catalytic Converter
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Incl. Hangers and Hardware For Easy Installation
  • Mandrel Bent 16ga Aluminized Tubing
  • Moderate Exterior Exhaust Tone
  • Premium Flowmaster Quality
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Catalog: F
Vehicle Engine
• 1991 Pontiac Firebird 5.0L V8 
• 1991 Pontiac Firebird 5.7L V8 

Magnaflow Exhaust System - Street Series Performance Cat-Back Exhaust System - 3 in. - Incl. Tubing / Over Axle Pipe / 5x8x18 in. Muffler / Dual 3.5 in. Round Tips - Dual Split Rear Exit - Stainless

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Our List Price: $590.73
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(>15) In Stock
Part Number: 4668-03020774
Notes: Street Series Performance Cat-Back Exhaust System; 3 in.; Incl. Tubing / Over Axle Pipe / 5x8x18 in. Muffler / Dual 3.5 in. Round Tips; Dual Split Rear Exit; Stainless
Features:
  • 100% All Stainless Steel
  • Dyno Tested And Proven To Make Power
  • Easy To Install
  • Great Sound -Has A Smooth; Deep Tone
  • Limited Lifetime Warranty Against Manufacturing Defects
  • Mandrel-Bent/All Welded/Built To Last
  • Performance Gains In Horsepower And Torque
Condition: New

Shipping Options:
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This Product Fits the Following: Catalog: F
Vehicle Engine
• 1991 Pontiac Firebird 5.0L V8 
• 1991 Pontiac Firebird 5.7L V8 

Borla Exhaust System - S-Type Cat-Back Adj. Exhaust System - 3 in. - Incl. Connecting Pipes / Mufflers / Hardware / 2.5 in. Round x 7 in. Dual Rolled Angle-Cut Tip - Split Rear Exit;50 State Legal / California Emissions Compliant

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Our List Price: $991.99
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Out of Stock
Part Number: 4668-03153913
Notes: S-Type Cat-Back Adj. Exhaust System; 3 in.; Incl. Connecting Pipes / Mufflers / Hardware / 2.5 in. Round x 7 in. Dual Rolled Angle-Cut Tip; Split Rear Exit;50 State Legal / California Emissions Compliant
Detailed Notes: T-304 Stainless Steel
Features:
  • Absolute Best In Performance And Durability
  • CNC Manufacturing Ensures An Accurate Fit
  • Distinctive Borla Sound Of Power
  • Ensure Maximum Flow And Power
  • Million Mile Warranty
  • Straight-Through Technology
  • Unleash Hidden Horsepower
Condition: New

Shipping Options:
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This Product Fits the Following: Catalog: F
Vehicle Sub Model Engine
• 1991 Pontiac Firebird Formula  5.7L V8 
• 1991 Pontiac Firebird Trans Am  5.7L V8 
• 1991 Pontiac Firebird Trans Am GTA  5.7L V8 

Dynomax Exhaust System - Super Turbo Kit Cat-Back System - 2.5 in. System - Incl. Short Intermediate Pipe - Super Turbo Muffler - Tail Pipes - Clamps

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Our List Price: $254.98
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Out of Stock
Part Number: 4668-03269768
Notes: Super Turbo Kit Cat-Back System; 2.5 in. System; Incl. Short Intermediate Pipe; Super Turbo Muffler; Tail Pipes; Clamps
Features:
  • Combine State Of The Art Engineering w/Quality Material
  • Continuous Roving Fiberglass Technology
  • CRF Absorbs Unwanted Interior Resonance
  • Flows Up To 700 SCFM And Supports Up To 636 HP
  • Includes The Dynomax Super Turbo Dyno Proven Muffler
  • Insures Every Part Fits Perfectly w/Quick And Easy Installation
  • Manufactured w/Precision Benders; Fixture Checked
  • Pipe Dia. Are Increased From OEM Sizes To Improve Flow
  • Pipe Dia. Are Increased From OEM Sizes To Increase Power
  • Proudly Manufactured In The USA
  • Provides Exceptional Strength And Durability
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Catalog: F
Vehicle Sub Model Engine
• 1991 Pontiac Firebird Base  3.1L V6 

Dynomax Exhaust System - Super Turbo Kit Cat-Back System - 2.5 in. System - Incl. Short Intermediate Pipe - Super Turbo Muffler - Tail Pipes - Clamps

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(Read reviews)
Our List Price: $254.98
with FREE Shipping

Out of Stock
Part Number: 4668-03269768
Notes: Super Turbo Kit Cat-Back System; 2.5 in. System; Incl. Short Intermediate Pipe; Super Turbo Muffler; Tail Pipes; Clamps
Detailed Notes: Except High Output~ 2 1 / 2 in. Flare Connection To Catalytic Converter
Features:
  • Combine State Of The Art Engineering w/Quality Material
  • Continuous Roving Fiberglass Technology
  • CRF Absorbs Unwanted Interior Resonance
  • Flows Up To 700 SCFM And Supports Up To 636 HP
  • Includes The Dynomax Super Turbo Dyno Proven Muffler
  • Insures Every Part Fits Perfectly w/Quick And Easy Installation
  • Manufactured w/Precision Benders; Fixture Checked
  • Pipe Dia. Are Increased From OEM Sizes To Improve Flow
  • Pipe Dia. Are Increased From OEM Sizes To Increase Power
  • Proudly Manufactured In The USA
  • Provides Exceptional Strength And Durability
Condition: New

Shipping Options:
Free Ground Shipping
This Product Fits the Following: Catalog: F
Vehicle Sub Model Engine
• 1991 Pontiac Firebird Base  5.0L V8 VIN: E 
• 1991 Pontiac Firebird Formula  5.0L V8 VIN: E 
• 1991 Pontiac Firebird Formula  5.0L V8 VIN: F 



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