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GMC Sierra Mufflers
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1 - 12 of 16
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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
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
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
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
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55112S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55106S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55108S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55142S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55143S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55182S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55122S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55132S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
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
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GMC Sierra Mufflers
Choose Your Vehicle:
Shop GMC Sierra Mufflers by Year
Shop GMC Sierra Mufflers by Brand
1 - 12 of 16
Sort by:
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
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
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
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
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55112S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55106S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55108S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55142S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55143S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55182S
Length: 19"
Inlet Diameter: 3"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55122S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
Fits: All Muscle Cars (Universal), All SUVs (Universal), All Trucks (Universal), All Vehicles (Universal)
PART# 55132S
Length: 19"
Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Finish: Stainless Steel
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
Popular Categories
Sierra Parts
Sierra Catalytic Converters
Sierra Mufflers
Sierra Muffler Tips
Sierra Crossover Pipes
Sierra Exhaust Systems
Sierra Rims
Sierra Headlights
Sierra Tail Lights
Sierra Body Kits
Sierra Headers
Sierra Hoods
Sierra Struts and Shocks
Sierra Racing Seats
Sierra Carbon Fiber Hoods
Performance Sitemap
Sierra Catalytic Converters
Sierra Mufflers
Sierra Muffler Tips
Sierra Crossover Pipes
Sierra Exhaust Systems
Sierra Rims
Sierra Headlights
Sierra Tail Lights
Sierra Body Kits
Sierra Headers
Sierra Hoods
Sierra Struts and Shocks
Sierra Racing Seats
Sierra Carbon Fiber Hoods
Performance Sitemap
