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GMC Sierra Mufflers 


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Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Finish: Stainless Steel
Retail: $176.56
$113.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Length: 14"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!



Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $189.06
$121.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $153.13
$98.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $181.25
$116.00


Free Shipping!


Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $162.35
$103.90


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

OPEN BOX 5"CatBack Exhaust Muffler Kit FOR 01-05 GMC Sierra 2500 Duramax 6.6L V8

Truck Dual Exhaust Flowmaster Super 44 Fits 99-08 Chevrolet Silverado GMC Sierra

Stainless 3" Dual Split CatBack Muffler Exhaust 14-19 Chevy/GMC 1500 V8 Pickup

2014-2025 Silverado 5.3L Muffler Delete, Aggressive Sound







GMC Sierra Mufflers 


Choose Your Vehicle:


Shop GMC Sierra Mufflers by Brand

1 - 12 of 41
Sort by:




Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Finish: Stainless Steel
Retail: $176.56
$113.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Length: 14"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $189.06
$121.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $153.13
$98.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $181.25
$116.00


Free Shipping!


Length: 20"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Round
Retail: $181.25
$116.00


Free Shipping!


Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $162.35
$103.90


Free Shipping!


Previous1234Next

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

Truck Dual Exhaust Flowmaster Super 44 Fits 99-08 Chevrolet Silverado GMC Sierra

Stainless 3" Dual Split CatBack Muffler Exhaust 14-19 Chevy/GMC 1500 V8 Pickup

2014-2025 Silverado 5.3L Muffler Delete, Aggressive Sound