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GMC Sierra Mufflers 


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Length: 17"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


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Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $271.88
$174.00


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Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $240.63
$154.00


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Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Finish: Stainless Steel
Retail: $228.13
$146.00


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Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $223.44
$143.00


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Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $209.38
$134.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $209.38
$134.00


Free Shipping!


Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $290.63
$186.00


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Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $226.56
$145.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4.5" - 3"
Style: Round
Finish: Stainless Steel
Retail: $230.59
$147.58


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $296.88
$190.00


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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:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 33
Sort by:




Length: 17"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $271.88
$174.00


Free Shipping!


Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $240.63
$154.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Finish: Stainless Steel
Retail: $228.13
$146.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $223.44
$143.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $209.38
$134.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $209.38
$134.00


Free Shipping!


Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $290.63
$186.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2"
Style: Oval
Retail: $226.56
$145.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4.5" - 3"
Style: Round
Finish: Stainless Steel
Retail: $230.59
$147.58


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $296.88
$190.00


Free Shipping!


Previous123Next

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