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Exhaust› Headers, Manifolds and Components

Kooks Headers

Kooks Universal 2in x 4in Hand Merge Coll w/9-10in Long Body. Plus 2in for Slip

$1,308.85 $1,177.97 Save $130.88

SKU: K009 9909HM

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Kooks Custom Headers 9909HM is a 2-inch x 4-inch 304 Stainless Hand-Formed True Merge Collector. It features a 4-Into-1 Design with 2-inch I.D. Inlet Tubes fully welded to form an integral internal spike for a smoother merge. The merge transitions from 3-1/2-inch to a 4-inch O.D. Outlet. This product is sold individually and is 100 percent manufactured in the USA.

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

BrandKooks Headers
Part NumberK009 9909HM

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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