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GMC Sierra Mufflers 


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Shop GMC Sierra Mufflers by Brand


1 - 10 of 10
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Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $321.88
$206.00


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


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 3"
Style: Oval
Retail: $373.44
$239.00


Free Shipping!


Length: 36"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $301.56
$193.00


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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: $465.33
$404.84


Free Shipping!


Fits: All Diesel Trucks (Universal)

PART# 53800

Inlet Diameter: 4"
Outlet Diameter: 4"
Finish: Stainless Steel
Retail: $354.44
$319.00


Free Shipping!


Fits: All Diesel Trucks (Universal)

PART# 53801

Inlet Diameter: 4"
Outlet Diameter: 4"
Finish: Stainless Steel
Retail: $354.44
$319.00


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $399.99
$359.99


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $390.99
$351.89


Free Shipping!


Previous1Next

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

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

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

2014-2025 Silverado 5.3L Muffler Delete, Aggressive Sound







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 10 of 10
Sort by:




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


Free Shipping!


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


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 3"
Style: Oval
Retail: $373.44
$239.00


Free Shipping!


Length: 36"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $301.56
$193.00


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: $465.33
$404.84


Free Shipping!


Fits: All Diesel Trucks (Universal)

PART# 53800

Inlet Diameter: 4"
Outlet Diameter: 4"
Finish: Stainless Steel
Retail: $354.44
$319.00


Free Shipping!


Fits: All Diesel Trucks (Universal)

PART# 53801

Inlet Diameter: 4"
Outlet Diameter: 4"
Finish: Stainless Steel
Retail: $354.44
$319.00


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $399.99
$359.99


Free Shipping!


Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $390.99
$351.89


Free Shipping!


Previous1Next

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

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

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

2014-2025 Silverado 5.3L Muffler Delete, Aggressive Sound