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GMC Sierra Mufflers 


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1 - 7 of 7
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Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $292.19
$187.00


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Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $292.19
$187.00


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Retail: $240.63
$154.00


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Length: 27"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Retail: $282.81
$181.00


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Length: 30"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $289.06
$185.00


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

PART# 15440S

Outlet Diameter: 4"
Inlet Diameter: 4"
Retail: $219.95
$197.95


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Outlet Diameter: 4"
Inlet Diameter: 4"
Finish: Stainless Steel
Retail: $295.95
$266.36


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?

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

Exhaust Muffler-4WD, 143.5" WB AP Exhaust 700488

Stainless CatBack Exhaust Muffler System 03-07 Chevy/GMC Silverado Sierra 1500





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  • Mufflers(7)
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  • Stainless Steel (3)
Inlet Diameter
  • 4" (7)
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  • $200-$300(7)


GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 7 of 7
Sort by:




Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Oval
Finish: Stainless Steel
Retail: $292.19
$187.00


Free Shipping!


Length: 12"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Finish: Stainless Steel
Retail: $292.19
$187.00


Free Shipping!


Length: 20"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Retail: $240.63
$154.00


Free Shipping!


Length: 27"
Outlet Diameter: 4"
Inlet Diameter: 4"
Style: Round
Retail: $282.81
$181.00


Free Shipping!


Length: 30"
Inlet Diameter: 4"
Outlet Diameter: 4"
Style: Round
Retail: $289.06
$185.00


Free Shipping!


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

PART# 15440S

Outlet Diameter: 4"
Inlet Diameter: 4"
Retail: $219.95
$197.95


Free Shipping!


Outlet Diameter: 4"
Inlet Diameter: 4"
Finish: Stainless Steel
Retail: $295.95
$266.36


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

Exhaust Muffler-4WD, 143.5" WB AP Exhaust 700488

Stainless CatBack Exhaust Muffler System 03-07 Chevy/GMC Silverado Sierra 1500