Mufflers for 1991 GMC G2500
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![80906 - Exhaust: CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/7d1e34601ed4ce790151af1489c91680.webp "80906 - Exhaust: CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID) for Walker Exhaust")
CalCat CARB Universal Catalytic Converter 2.5" Inlet (ID) 2.5" Outlet (ID)
Walker Exhaust
80906
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are...
$497.75
Fits Your Vehicle
![18124 - : SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/4b274f3b5e42766af233baa3490c466b.webp "18124 - : SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust")
SoundFX Universal Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)
Walker Exhaust
18124
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® universal mufflers deliver quality...
$41.43
Fits Most Vehicles
![18274 - : SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/b739b59ff02b803782539892b5a76156.webp "18274 - : SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust")
SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)
Walker Exhaust
18274
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality...
$45.68
![21910 - : Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/d995f591e028def19e7c9e7aba3b2128.webp "21910 - : Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) for Walker Exhaust")
Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)
Walker Exhaust
21910
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior...
$75.73
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