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GMC Envoy Flowmaster Headers 

GMC Envoy 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 Envoy 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


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Long Tube Stainless Steel Headers w/ Gaskets for Chevy GMC 07-14 4.8L 5.3L 6.0L

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GMC Envoy Flowmaster Headers 

GMC Envoy 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 Envoy Flowmaster headers are durable enough to last the life of your ride!


Choose Your Vehicle:

Shop GMC Envoy 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?

Long Tube Stainless Steel Headers w/ Gaskets for Chevy GMC 07-14 4.8L 5.3L 6.0L

Long Tube Stainless Steel Headers w/ Gaskets for Chevy GMC 07-14 4.8L 5.3L 6.0L

Header Panel For 2002-09 GMC Envoy 2002-06 Envoy XL Thermoplastic

Headlight Header Panel Nose For 2002-09 GMC Envoy 2002-06 Envoy XL Thermoplastic

Stainless Steel Headers Manifold w/ Gaskets for Chevy GMC 07-14 4.8L 5.3L 6.0L

Stainless Steel Headers Long Tube w/ Gaskets for Chevy GMC 07-14 6.0L 5.3L 4.8L