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GMC Sierra Mufflers 


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1 - 12 of 24
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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $330.52
$211.53


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $324.49
$207.67


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 3.5"
Style: Oval
Retail: $487.41
$311.94


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Inlet Diameter: 2.25"
Outlet Diameter: 3"
Style: Oval
Retail: $473.28
$302.90


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $313.82
$200.84


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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $393.57
$251.88


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Length: 24"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Oval
Finish: Stainless Steel
Retail: $305.31
$195.40


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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $387.27
$247.85


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Length: 30"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $313.58
$200.69


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Inlet Diameter: 4"
Outlet Diameter: 3"
Style: Oval
Retail: $364.24
$233.11


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

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

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

Muffler Exhaust System For 2014-2018 GMC Sierra 1500 4.3 5.3 With 143 Wheel Base

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







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 24
Sort by:




Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $330.52
$211.53


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $324.49
$207.67


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 3.5"
Style: Oval
Retail: $487.41
$311.94


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 3"
Style: Oval
Retail: $473.28
$302.90


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $313.82
$200.84


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $393.57
$251.88


Free Shipping!


Length: 24"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Oval
Finish: Stainless Steel
Retail: $305.31
$195.40


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $387.27
$247.85


Free Shipping!


Length: 30"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $313.58
$200.69


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 3"
Style: Oval
Retail: $364.24
$233.11


Free Shipping!


Previous12Next

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

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

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

Muffler Exhaust System For 2014-2018 GMC Sierra 1500 4.3 5.3 With 143 Wheel Base

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