Sale

Exhaust Headers, Manifolds and Components

Kooks

GREEN Catted X-Pipe and Header Kit

$3,496.00 $3,075.17 Save $420.83

SKU: 1131H230

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Kooks 1131H230 is a header and connection kit designed for the 2005-2010 Ford Mustang GT with a 4.6L 3V engine. This kit includes 1-3/4 inch x 3 inch stainless steel long tube headers and a 3 inch x 2-1/2 inch GREEN Catted X-Pipe. Kooks Headers and Exhaust, a leader in the high-performance exhaust industry for over 50 years, handcrafts its products in the USA.
Show original supplier description
The Kooks 1131H230 is a custom-designed header and connection kit specifically engineered for the 2005-2010 Ford Mustang GT models equipped with the 4.6L 3V engine. This system features 1-3/4 inch x 3 inch long tube headers constructed from T304 aircraft-quality stainless steel, paired with a 3 inch x 2-1/2 inch GREEN Catted X-Pipe. The kit includes gaskets, mounting hardware, and clamps for installation. Constructed from durable 304 stainless steel, these headers are built for long-lasting service and corrosion resistance, featuring a natural stainless steel finish. The included GREEN Catted X-Pipe is rated for forced induction applications up to 750 RHWP and built to EPA specifications. Installation is described as straightforward, with no drilling required, though mechanical expertise or professional installation is recommended. The product comes with a limited lifetime warranty to the original purchaser. The manufacturer highlights that Kooks products fit and install the best. Every Kooks product is manufactured in the USA, reflecting the company's commitment to quality and performance that has been a hallmark since 1962.

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
Part Number1131H230
CategoryExhaust

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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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