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Exhaust Exhaust Pipes, Systems and Components

Kooks Headers

Kooks 07-10 Ford Shelby GT-500 5.4L 4V 3in x 2 1/2in OEM Cat SS H-Pipe Kooks HDR Req

$1,526.85 $1,287.38 Save $239.47

SKU: K009 11323500

Out of Stock
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Kooks Catted H-Pipe is designed to enhance the exhaust system of the 5.4L V8 GT500 Mustangs. It helps in reducing back pressure and increasing torque and power. It's constructed from high-quality stainless steel for corrosion resistance. It's a bolt-on installation and includes all necessary hardware.
Show original supplier description

Part #: 11323500

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"

3in. x 2-1/2in. OEM Catted Stainless H-Pipe. Must be used with Kooks Headers.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKooks Headers
Part NumberK009 11323500

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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