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1991 Pontiac Firebird
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1991 Pontiac Firebird

1991 Pontiac Firebird Mufflers

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Muffler -
Kool Vue
Muffler -
Part Number: KV150108
Guaranteed to Fit
$89.49
Vehicle Fitment
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L
Product Details
Inlet Size : 2.25 in. Inlet SizeOutlet Size : 3.25 in. Outlet SizeColor Finish : PolishedQuantity Sold : Sold individuallyWarranty : 1-year Kool Vue limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sound Level : MildProduct Fit : UniversalReturns Policy : 30-Day Return PolicyInlet Quantity : SingleOutlet Quantity : DualInlet Location : CenterHeight : 4.5 in. HeightBody Length : 10 in. Body LengthWidth : 4.5 in. WidthAttachment Style : Clamp-OnMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementExhaust Tip Material : Tip Made of SteelOutlet Location : CenterCase Shape : RoundExhaust Tip Finish : Polished TipOverall Length : 18.5 in. overall lengthInterchange Part Number : GM2707
Muffler
Kool Vue
Muffler
Part Number: KV150103
Guaranteed to Fit
$70.99
Vehicle Fitment
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L
Product Details
Inlet Size : 2.25 in. Inlet SizeOutlet Size : 4 in. Outlet SizeColor Finish : PolishedQuantity Sold : Sold individuallyWarranty : 1-year Kool Vue limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sound Level : MildReturns Policy : 30-Day Return PolicyInlet Quantity : SingleOutlet Quantity : SingleInlet Location : CenterHeight : 6 in. HeightBody Length : 13.75 in. Body LengthWidth : 6 in. WidthAttachment Style : Clamp-OnTip Diameter : 4 in. Tip DiameterMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementExhaust Tip Material : Tip Made of SteelOutlet Location : CenterCase Shape : RoundExhaust Tip Finish : Polished TipOverall Length : 17.5 in. overall lengthInterchange Part Number : 842448
Muffler -
Walker®
Muffler -
Part Number: WK17836
Guaranteed to Fit
$55.99
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
Product Details
Series : SoundFX SeriesQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Overall Length : 24 in. overall lengthMaterial : Made of Aluminized SteelRecommended Use : OE ReplacementProduct Fit : May Require Minor Modification
Muffler, Natural, High Output, Except Dual Catalytic Converters
Dynomax®
Muffler, Natural, High Output, Except Dual Catalytic Converters
Part Number: D2217739
Guaranteed to Fit
$113.99
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L High Output, Except Dual Catalytic Converters
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
Product Details
Series : Super Turbo SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Weld-OnSound Level : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOverall Length : 24 in. overall lengthOutlet Quantity : Dual Outlet(s)Internal Construction : TurboInlet Location : OffsetHeight : 4.25 in. HeightBody Length : 19 in. Body LengthWidth : 9.75 in. Width
Muffler -
Walker®
Muffler -
Part Number: WK18375
Guaranteed to Fit
$65.49
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L
Product Details
Series : SoundFX SeriesQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler -
Walker®
Muffler -
Part Number: WK18232
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
Product Details
Series : SoundFX SeriesQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler -
Walker®
Muffler -
Part Number: WK18104
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L
Product Details
Series : Tru-Fit SeriesQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler, Car -
Walker®
Muffler, Car -
Part Number: WK22253
Guaranteed to Fit
$99.49
Vehicle Fitment
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L Car
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Car
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Car
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L Car
Product Details
Series : Quiet-Flow SS SeriesQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Material : Made of Aluminized SteelRecommended Use : OE Replacement
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F1342583
Guaranteed to Fit
$144.85
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
Product Details
Notes : May Require Minor ModificationSeries : 80 Series Crossflow SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : Offset (Dual)Case Shape : OvalOverall Length : 21 in. Overall LengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 15 in. Body LengthWidth : 9.75 in. Width
80 Series Crossflow Series Muffler, Black, May Require Minor Modification
Flowmaster®
80 Series Crossflow Series Muffler, Black, May Require Minor Modification
Part Number: F13842583
Guaranteed to Fit
$158.35
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
Product Details
Notes : May Require Minor ModificationSeries : 80 Series Crossflow SeriesInlet Size : 2.5 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Stainless SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : Offset (Dual)Case Shape : OvalOverall Length : 21 in. Overall LengthOutlet Quantity : Dual Outlet(s)Interchange Part Number : KV150105, 17519Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 15 in. Body Length
Muffler -
Hooker®
Muffler -
Part Number: H2621729
Guaranteed to Fit
$215.95
Vehicle Fitment
  • 1991 Pontiac Firebird All Submodels All Engines
Product Details
Series : Aero Chamber SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : NaturalQuantity Sold : Sold individuallyWarranty : Hooker limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Sound Level : ModerateMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementInlet Quantity : SingleOutlet Location : OffsetCase Shape : OvalOutlet Quantity : Dual Outlet(s)Inlet Location : OffsetHeight : 4.75 in. HeightBody Length : 20 in. Body LengthWidth : 10.25 in. Width
Muffler, Black
Flowmaster®
Muffler, Black
Part Number: F1343083
Guaranteed to Fit
$149.35
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L Big Block Chevy Swap,LS Swap,LT Swap,Small Block Chevy Swap
Product Details
Notes : May Require Minor ModificationSeries : 80 Series Crossflow SeriesInlet Size : 3 in. Inlet SizeOutlet Size : 2.5 in. Outlet SizeColor Finish : BlackQuantity Sold : Sold individuallyWarranty : 3-year Flowmaster limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Attachment Style : Clamp-On or Weld-OnSound Level : AggressiveMaterial : Made of Aluminized SteelRecommended Use : Performance ReplacementProduct Fit : May Require Minor ModificationInlet Quantity : SingleOutlet Location : Offset (Dual)Case Shape : OvalOverall Length : 21 in. Overall LengthOutlet Quantity : Dual Outlet(s)Internal Construction : ChamberedInlet Location : OffsetHeight : 4 in. HeightBody Length : 15 in. Body LengthWidth : 9.75 in. Width
Muffler
AP Exhaust®
Muffler
Part Number: APE3228
Guaranteed to Fit
$91.99
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
Product Details
Quantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsRecommended Use : Performance
Muffler
AP Exhaust®
Muffler
Part Number: APE3434
Guaranteed to Fit
$83.49
Vehicle Fitment
  • 1991 Pontiac Firebird Base 6 Cyl 3.1L With Converter
Product Details
Quantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsRecommended Use : Performance
Muffler
AP Exhaust®
Muffler
Part Number: APE700359
Guaranteed to Fit
$62.99
Vehicle Fitment
  • 1991 Pontiac Firebird Formula 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
  • 1991 Pontiac Firebird Formula 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am 8 Cyl 5.0L Eng. VIN: F; Dual Exhaust
  • 1991 Pontiac Firebird Trans Am GTA 8 Cyl 5.7L Eng. VIN: 8; Dual Exhaust
Product Details
Quantity Sold : Sold individuallyWarranty : 5-year or 50,000-mile AP Exhaust limited warranty on converter body and 25,000-mile limited warranty on emissionsRecommended Use : Performance
Page 1 of 33 | Showing 1 - 15 of 482 results

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