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GMC Sierra Mufflers 


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1 - 12 of 149
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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $178.82
$152.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Retail: $170.59
$145.00


Free Shipping!



Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $157.65
$134.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $170.59
$145.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Retail: $136.47
$116.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $183.53
$156.00


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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Finish: Stainless Steel
Retail: $132.94
$113.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $225.88
$192.00


Free Shipping!



When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

All-Welded-Stainless Muffler for 2011-2017 Chevy Silverado 2500 HD, GMC Sierra

5" CatBack Exhaust Muffler Kit 01-05 GMC Sierra 2500 Duramax 6.6L Turbo Diesel

Weld On Performance Muffler Fits Chevrolet Silverado 1500 02-06 4.3L 4.8L 5.3L

Stainless CatBack Muffler Exhaust 03-07 Chevy Silverado GMC Sierra V8 Reg/StdCab

5" Cat Back Exhaust Muffler Kit 06-07 GMC Sierra 2500 Duramax 6.6L Turbo Diesel

Heavy Duty Weld on Muffler For Sierra & Silverado 2500HD 3500HD 6.0L 2011-2017







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 149
Sort by:




Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $178.82
$152.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Retail: $170.59
$145.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $136.47
$116.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $157.65
$134.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $170.59
$145.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Retail: $136.47
$116.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $183.53
$156.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Finish: Stainless Steel
Retail: $132.94
$113.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $225.88
$192.00


Free Shipping!



When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Not able to find what you are looking for?

All-Welded-Stainless Muffler for 2011-2017 Chevy Silverado 2500 HD, GMC Sierra

5" CatBack Exhaust Muffler Kit 01-05 GMC Sierra 2500 Duramax 6.6L Turbo Diesel

Weld On Performance Muffler Fits Chevrolet Silverado 1500 02-06 4.3L 4.8L 5.3L

Stainless CatBack Muffler Exhaust 03-07 Chevy Silverado GMC Sierra V8 Reg/StdCab

5" Cat Back Exhaust Muffler Kit 06-07 GMC Sierra 2500 Duramax 6.6L Turbo Diesel

Heavy Duty Weld on Muffler For Sierra & Silverado 2500HD 3500HD 6.0L 2011-2017