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GMC Sierra Mufflers 


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1 - 12 of 38
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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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Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $321.88
$206.00


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Inlet Diameter: 2.25"
Outlet Diameter: 3.5"
Style: Oval
Retail: $500.00
$320.00


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


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $375.00
$240.00


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


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


Free Shipping!


Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $304.69
$195.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $339.06
$217.00


Free Shipping!


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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?

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 Exhaust Muffler System 03-07 Chevy/GMC Silverado Sierra 1500

99-08 Chevrolet Silverado GMC Sierra Truck Dual Exhaust Kit Flowmaster 44 Rolled







GMC Sierra Mufflers 


Choose Your Vehicle:


1 - 12 of 38
Sort by:







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


Free Shipping!


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


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 3.5"
Style: Oval
Retail: $500.00
$320.00


Free Shipping!


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


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $375.00
$240.00


Free Shipping!


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


Free Shipping!


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


Free Shipping!


Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Retail: $304.69
$195.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $339.06
$217.00


Free Shipping!


Previous1234Next

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 Exhaust Muffler System 03-07 Chevy/GMC Silverado Sierra 1500

99-08 Chevrolet Silverado GMC Sierra Truck Dual Exhaust Kit Flowmaster 44 Rolled