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GMC Sierra Mufflers 


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Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $369.78
$236.66


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $330.52
$211.53


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $324.49
$207.67


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $389.22
$249.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!



Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $308.40
$197.38


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $317.26
$203.05


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $313.82
$200.84


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $313.82
$200.84


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 14020100

Inlet Diameter: 4"
Outlet Diameter: 4"
Retail: $315.00
$283.50


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Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)

PART# 788040S

Length: 24"
Outlet Diameter: 4"
Inlet Diameter: 4"
Finish: Stainless Steel
Retail: $322.53
$280.60


Free Shipping!


Previous12Next

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

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

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

Gm 21576 , '99-2010 Chevy Silverado, '01-2010 GMC Sierra Performance Muffler

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 16
Sort by:




Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $369.78
$236.66


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $330.52
$211.53


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 2.25"
Style: Oval
Retail: $324.49
$207.67


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $389.22
$249.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $308.40
$197.38


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Oval
Retail: $365.78
$234.10


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 4"
Style: Round
Retail: $317.26
$203.05


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $313.82
$200.84


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $313.82
$200.84


Free Shipping!


Fits: All Jeeps (Universal), All Vehicles (Universal)

PART# 14020100

Inlet Diameter: 4"
Outlet Diameter: 4"
Retail: $315.00
$283.50


Free Shipping!


Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)

PART# 788040S

Length: 24"
Outlet Diameter: 4"
Inlet Diameter: 4"
Finish: Stainless Steel
Retail: $322.53
$280.60


Free Shipping!


Previous12Next

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

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

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

Gm 21576 , '99-2010 Chevy Silverado, '01-2010 GMC Sierra Performance Muffler

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