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GMC Sierra Mufflers 


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Shop GMC Sierra Mufflers by Brand


1 - 12 of 130
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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $231.66
$148.26


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $203.28
$130.10


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!



Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!


Length: 20"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $234.40
$150.02


Free Shipping!


Length: 20"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $234.40
$150.02


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Finish: Stainless Steel
Retail: $214.36
$137.19


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!


Length: 14"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


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?

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

OPEN BOX 5"CatBack Exhaust Muffler Kit FOR 01-05 GMC Sierra 2500 Duramax 6.6L V8

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

Stainless 3" CatBack Exhaust Muffler System 07-08 Chevy/GMC 1500 V8 Pickup Truc

Stainless 3" Dual Split CatBack Muffler Exhaust 14-19 Chevy/GMC 1500 V8 Pickup

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







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 130
Sort by:




Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $231.66
$148.26


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $203.28
$130.10


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!


Length: 20"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $234.40
$150.02


Free Shipping!


Length: 20"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $234.40
$150.02


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Finish: Stainless Steel
Retail: $214.36
$137.19


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $236.56
$151.40


Free Shipping!


Length: 14"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $175.86
$112.55


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?

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

OPEN BOX 5"CatBack Exhaust Muffler Kit FOR 01-05 GMC Sierra 2500 Duramax 6.6L V8

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

Stainless 3" CatBack Exhaust Muffler System 07-08 Chevy/GMC 1500 V8 Pickup Truc

Stainless 3" Dual Split CatBack Muffler Exhaust 14-19 Chevy/GMC 1500 V8 Pickup

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