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GMC Sierra Mufflers 


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1 - 12 of 32
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Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $220.00
$187.00


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Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $220.00
$187.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $238.82
$203.00


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Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $242.35
$206.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $218.82
$186.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $250.59
$213.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $223.53
$190.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $255.29
$217.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $211.76
$180.00


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Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $225.88
$192.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $282.35
$240.00


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $285.88
$243.00


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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?

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

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

Weld On Performance Muffler Fits Chevrolet Silverado 1500 02-06 4.3L 4.8L 5.3L

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

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

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







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 32
Sort by:




Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $220.00
$187.00


Free Shipping!


Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $220.00
$187.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $238.82
$203.00


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $242.35
$206.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $218.82
$186.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $250.59
$213.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $223.53
$190.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $255.29
$217.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $211.76
$180.00


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Round
Retail: $225.88
$192.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $282.35
$240.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $285.88
$243.00


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?

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

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

Weld On Performance Muffler Fits Chevrolet Silverado 1500 02-06 4.3L 4.8L 5.3L

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

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

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