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Exhaust› Headers, Manifolds and Components

Flowtech

Upright Headers Gm 2.8/3.1/3.4L V6 Round Port Upright Headers 1-5/8 Inch Primary 20 Inch Long 27 Inch Tall 2-1/2 Inch X 10 Inch Collector 409SS Natural Finish FlowTech

$266.95 $236.95 Save $30.00

SKU: F00M 11586FLT

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Flowtech 11586FLT is a set of upright headers designed for GM 2.8L, 3.1L, and 3.4L V6 engines. These headers feature 1-5/8 inch mandrel-bent primary tubes for consistent diameter and smooth exhaust flow. They are constructed from heavy-duty 16-gauge 409 stainless steel for durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandFlowtech
Part NumberF00M 11586FLT

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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