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GMC Sierra Mufflers 


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1 - 11 of 11
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Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Oval
Retail: $306.25
$196.00


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Length: 33"
Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Round
Retail: $354.69
$227.00


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Length: 30"
Outlet Diameter: 2.25"
Inlet Diameter: 2.5"
Style: Round
Retail: $337.50
$216.00


Free Shipping!


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

PART# 55111S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $332.56
$289.33


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

PART# 55105S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $359.61
$312.86


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

PART# 55121S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $326.56
$284.11


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

PART# 55184S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $386.17
$335.97


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

PART# 55131S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $361.70
$314.68


Free Shipping!


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

PART# 55161S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $304.20
$264.65


Free Shipping!


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

PART# 55171S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $334.75
$291.23


Free Shipping!


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

PART# 788700S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $317.05
$275.83


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

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 - 11 of 11
Sort by:




Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Oval
Retail: $306.25
$196.00


Free Shipping!


Length: 33"
Inlet Diameter: 2.5"
Outlet Diameter: 2.25"
Style: Round
Retail: $354.69
$227.00


Free Shipping!


Length: 30"
Outlet Diameter: 2.25"
Inlet Diameter: 2.5"
Style: Round
Retail: $337.50
$216.00


Free Shipping!


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

PART# 55111S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $332.56
$289.33


Free Shipping!


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

PART# 55105S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $359.61
$312.86


Free Shipping!


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

PART# 55121S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $326.56
$284.11


Free Shipping!


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

PART# 55184S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $386.17
$335.97


Free Shipping!


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

PART# 55131S

Length: 19"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $361.70
$314.68


Free Shipping!


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

PART# 55161S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $304.20
$264.65


Free Shipping!


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

PART# 55171S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Finish: Stainless Steel
Retail: $334.75
$291.23


Free Shipping!


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

PART# 788700S

Length: 24"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Finish: Stainless Steel
Retail: $317.05
$275.83


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

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