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GMC Sierra Mufflers 


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1 - 12 of 12
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Length: 20"
Outlet Diameter: 3.5"
Inlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $306.25
$196.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $326.56
$209.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $301.56
$193.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $317.19
$203.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $400.00
$256.00


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Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $321.88
$206.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $379.69
$243.00


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Length: 33"
Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Round
Retail: $354.69
$227.00


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Length: 30"
Outlet Diameter: 2.25"
Inlet Diameter: 2.5"
Style: Round
Retail: $337.50
$216.00


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Length: 36"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Round
Retail: $345.31
$221.00


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Length: 36"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $301.56
$193.00


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Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $390.99
$351.89


Free Shipping!


Previous1Next

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

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

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

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

For GMC Sierra 2500 HD 2007-2015 Street Max SM12909 409 SS Oval Exhaust Muffler







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 12
Sort by:




Length: 20"
Outlet Diameter: 3.5"
Inlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $306.25
$196.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $326.56
$209.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $301.56
$193.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $317.19
$203.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $400.00
$256.00


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $321.88
$206.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $379.69
$243.00


Free Shipping!


Length: 33"
Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Round
Retail: $354.69
$227.00


Free Shipping!


Length: 30"
Outlet Diameter: 2.25"
Inlet Diameter: 2.5"
Style: Round
Retail: $337.50
$216.00


Free Shipping!


Length: 36"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Round
Retail: $345.31
$221.00


Free Shipping!


Length: 36"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $301.56
$193.00


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $390.99
$351.89


Free Shipping!


Previous1Next

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

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

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

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

For GMC Sierra 2500 HD 2007-2015 Street Max SM12909 409 SS Oval Exhaust Muffler