Mufflers for 1990 Pontiac Firebird
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![43988 - : Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/75e11b916abf2bca0899c00e1e2ba25c.webp "43988 - : Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD) for Walker Exhaust")
Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD)
Walker Exhaust
43988
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a...
$20.75
![43989 - : Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/86f04971e50c96b542f03d4f76287e66.webp "43989 - : Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD) for Walker Exhaust")
Exhaust Tail Pipe 2.25" Inlet (OD) 2.5" Outlet (OD)
Walker Exhaust
43989
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a...
$26.19
![18375 - : SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/f2bb55a945f91d91c666d830765dc08e.webp "18375 - : SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
18375
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality...
$50.42
![15032 - Exhaust: Standard EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/ee5a9f54d358ab5fbba62552d8009657.webp "15032 - Exhaust: Standard EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID) for Walker Exhaust")
Standard EPA Universal Catalytic Converter 2.25" Inlet (ID) 2.25" Outlet (ID)
Walker Exhaust
15032
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker®...
Positions: Left, Right
$108.81
Fits Your Vehicle
![15043 - Exhaust: Standard EPA Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/120ab2db07f2bb6bc40bb3bd8b5faf3a.webp "15043 - Exhaust: Standard EPA Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID) for Walker Exhaust")
Standard EPA Universal Catalytic Converter 3" Inlet (ID) 3" Outlet (ID)
Walker Exhaust
15043
Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker®...
$132.45
Fits Your Vehicle
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