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GMC Sierra Flowmaster Headers 

GMC Sierra Flowmaster headers feature 3/8-inch thick flanges and either Flowmaster's 3-inch ball flange collectors or OEM style collectors for leak-free performance. The ceramic coated stainless steel tubes greatly increase flow over factory manifolds, and GMC Sierra Flowmaster headers are durable enough to last the life of your ride!


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Fits: 02-06 GMC Sierra V8, 02-06 GMC Yukon V8, 02-08 GMC Envoy V8, 03-09 GMC Savana V8, 04-09 GMC Canyon V8, 07-09 GMC Arcadia V8, 07-09 GMC Sierra V8, 07-0...

PART# 814123

Finish: Stainless Steel
Header Style: Block Hugger
Retail: $969.00
$872.10


Free Shipping!


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For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L

Shorty Headers for GMC Chevy 03-06 Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 2008-2013 Chevy Silverado GMC Sierra 1500 5.3L V8 304SS

Shorty Headers For 03-06 Chevy GMC Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 03-06 Chevy GMC 6.0L Sierra Silverado Truck 1500HD 2500HD V8

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L





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  • Stainless Steel (1)
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GMC Sierra Flowmaster Headers 

GMC Sierra Flowmaster headers feature 3/8-inch thick flanges and either Flowmaster's 3-inch ball flange collectors or OEM style collectors for leak-free performance. The ceramic coated stainless steel tubes greatly increase flow over factory manifolds, and GMC Sierra Flowmaster headers are durable enough to last the life of your ride!


Choose Your Vehicle:

Shop GMC Sierra Flowmaster Headers by Year

1 - 1 of 1
Sort by:




Fits: 02-06 GMC Sierra V8, 02-06 GMC Yukon V8, 02-08 GMC Envoy V8, 03-09 GMC Savana V8, 04-09 GMC Canyon V8, 07-09 GMC Arcadia V8, 07-09 GMC Sierra V8, 07-0...

PART# 814123

Finish: Stainless Steel
Header Style: Block Hugger
Retail: $969.00
$872.10


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?

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L

Shorty Headers for GMC Chevy 03-06 Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 2008-2013 Chevy Silverado GMC Sierra 1500 5.3L V8 304SS

Shorty Headers For 03-06 Chevy GMC Sierra Silverado 1500HD 2500HD Truck 6.0L

Shorty Headers for 03-06 Chevy GMC 6.0L Sierra Silverado Truck 1500HD 2500HD V8

For Silverado Sierra Truck 1 3/4 Long Tube Headers Y-Pipe 99-06 4.8L 5.3L 6.0L











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