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GMC Sierra Round Mufflers 

Our GMC Sierra round mufflers are the sporty choice when you need to upgrade your engine's sound or restore performance. Even a stock engine can benefit from a new GMC Sierra round muffler, but if you want to add some ponies, you may want to consider a performance GMC Sierra round muffler.


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Shop GMC Sierra Round Mufflers by Brand


1 - 12 of 61
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Fits: Chevrolet 02-up Avalanche, Chevrolet 04-up Colorado, Chevrolet 82-93 Blazer, Chevrolet 82-93 S10, Chevrolet 94-97 S10, Chevrolet 98-up S10, Chevrolet ...

PART# 13740

Length: 40"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Retail: $131.76
$112.00


Free Shipping!


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: 3.5"
Outlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $208.24
$177.00


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Length: 20"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Finish: Stainless Steel
Retail: $181.18
$154.00


Free Shipping!


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


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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


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


Free Shipping!


Length: 20"
Inlet Diameter: 2"
Outlet Diameter: 2"
Style: Round
Retail: $136.47
$116.00


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: Round
Retail: $223.53
$190.00


Free Shipping!


Inlet Diameter: 2"
Outlet Diameter: 2"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Retail: $136.47
$116.00


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?

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

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

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

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







GMC Sierra Round Mufflers 

Our GMC Sierra round mufflers are the sporty choice when you need to upgrade your engine's sound or restore performance. Even a stock engine can benefit from a new GMC Sierra round muffler, but if you want to add some ponies, you may want to consider a performance GMC Sierra round muffler.


Choose Your Vehicle:


Shop GMC Sierra Round Mufflers by Brand

1 - 12 of 61
Sort by:




Fits: Chevrolet 02-up Avalanche, Chevrolet 04-up Colorado, Chevrolet 82-93 Blazer, Chevrolet 82-93 S10, Chevrolet 94-97 S10, Chevrolet 98-up S10, Chevrolet ...

PART# 13740

Length: 40"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Retail: $131.76
$112.00


Free Shipping!


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


Free Shipping!


Length: 12"
Inlet Diameter: 3.5"
Outlet Diameter: 3.5"
Style: Round
Finish: Stainless Steel
Retail: $208.24
$177.00


Free Shipping!


Length: 20"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Finish: Stainless Steel
Retail: $181.18
$154.00


Free Shipping!


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


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


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


Free Shipping!


Length: 20"
Inlet Diameter: 2"
Outlet Diameter: 2"
Style: Round
Retail: $136.47
$116.00


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: Round
Retail: $223.53
$190.00


Free Shipping!


Inlet Diameter: 2"
Outlet Diameter: 2"
Style: Round
Retail: $132.94
$113.00


Free Shipping!


Length: 20"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Round
Retail: $136.47
$116.00


Free Shipping!


Previous123456Next

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

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

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

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











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