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Exhaust› Headers, Manifolds and Components

Kooks Headers

Kooks Universal 4in -90deg Alum Bends

$189.99 $173.33 Save $16.66

SKU: K009 90-400-40-16-ALUM

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Kooks 90-400-40-16-ALUM is a 4-inch aluminum 90-degree bend exhaust component. It features 16-gauge mandrel-bent tubing with a 4.00-inch center line radius. This part is manufactured in the USA from T304 aircraft-quality steel and is designed for maximum power. It comes with a limited lifetime warranty to the original purchaser and has been dyno and race tested.

Fitment

Fitment Guaranteed

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

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Specifications

BrandKooks Headers
Part NumberK009 90-400-40-16-ALUM

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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