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GMC Sierra MagnaFlow Mufflers 


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Shop GMC Sierra MagnaFlow Mufflers by Year


1 - 12 of 221
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Fits: Chevrolet 02-up Avalanche, Chevrolet 04-up Colorado, Chevrolet 82-93 Blazer, Chevrolet 82-93 S10, Chevrolet 94-97 S10, Chevrolet 98-up S10, Chevrolet ...

PART# 13740

Length: 40"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Retail: $170.65
$109.22


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Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $161.18
$103.16


Free Shipping!


Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $161.18
$103.16


Free Shipping!


Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $212.50
$136.00


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Inlet Diameter: 2"
Outlet Diameter: 2.25"
Style: Oval
Retail: $214.06
$137.00


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Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $181.25
$116.00


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


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Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $237.50
$152.00


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Length: 17"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


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


Free Shipping!



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

For GMC Sierra 3500 HD 2007-2013 Street Max SM12910 409 SS Oval Exhaust Muffler

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





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GMC Sierra MagnaFlow Mufflers 


Choose Your Vehicle:

Shop GMC Sierra MagnaFlow Mufflers by Year

1 - 12 of 221
Sort by:




Fits: Chevrolet 02-up Avalanche, Chevrolet 04-up Colorado, Chevrolet 82-93 Blazer, Chevrolet 82-93 S10, Chevrolet 94-97 S10, Chevrolet 98-up S10, Chevrolet ...

PART# 13740

Length: 40"
Inlet Diameter: 3"
Outlet Diameter: 3"
Style: Round
Retail: $170.65
$109.22


Free Shipping!


Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $161.18
$103.16


Free Shipping!


Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $161.18
$103.16


Free Shipping!


Inlet Diameter: 1.75"
Outlet Diameter: 1.75"
Style: Oval
Retail: $212.50
$136.00


Free Shipping!


Inlet Diameter: 2"
Outlet Diameter: 2.25"
Style: Oval
Retail: $214.06
$137.00


Free Shipping!



Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
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!


Length: 17"
Outlet Diameter: 2.5"
Inlet Diameter: 2.5"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Length: 17"
Inlet Diameter: 2.25"
Outlet Diameter: 2.25"
Style: Oval
Retail: $237.50
$152.00


Free Shipping!


Inlet Diameter: 2.5"
Outlet Diameter: 2.5"
Style: Oval
Retail: $181.25
$116.00


Free Shipping!


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


Free Shipping!



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

For GMC Sierra 3500 HD 2007-2013 Street Max SM12910 409 SS Oval Exhaust Muffler

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