Kooks Headers

Fits 2011–2014 Ford Mustang GT

Part #: 1141H220

Overview

The Kooks 11-14 Ford Mustang GT 1-3/4 x 3 Header & Catted X-Pipe Kit is a high-performance exhaust upgrade designed for Mustang enthusiasts seeking improved power, sound, and efficiency. Crafted with precision and attention to detail, this kit is ideal for those who want to enhance their vehicle’s exhaust flow while maintaining street legality with the included catalytic converters. Whether you’re a weekend warrior, a car show participant, or a serious racer, this system offers a significant upgrade over stock components, delivering a more aggressive tone and optimized exhaust flow for better overall performance. This kit is engineered to fit 2011 through 2014 Ford Mustang GT models, providing a direct bolt-on solution that simplifies installation and ensures a perfect fit. Made from durable stainless steel, these headers and X-pipe are built to withstand high temperatures and resist corrosion, ensuring long-lasting performance and reliability. The combination of high-flow catalytic converters and mandrel-bent tubing helps maximize exhaust efficiency, supporting your vehicle’s power output and sound profile.

Key Features

This Kooks Header & X-Pipe Kit features a meticulously designed construction that emphasizes durability and performance. The headers are crafted from high-quality stainless steel, featuring mandrel bends for smooth exhaust flow and reduced turbulence. The included catted X-pipe enhances scavenging and exhaust tone, providing a deep, aggressive sound without sacrificing emissions compliance. The kit’s design promotes improved throttle response and horsepower gains, making it a popular choice for Mustang owners looking to elevate their driving experience. The components are engineered for straightforward installation, with all necessary hardware included to ensure a secure fit.

Construction & Design

Constructed from high-grade stainless steel, the headers and X-pipe are designed for maximum durability and corrosion resistance. The mandrel-bent tubing ensures optimal exhaust flow, reducing backpressure and supporting performance gains. The catalytic converters are integrated seamlessly into the system, maintaining street legality while providing efficient emissions control.

Driving Feel & Feedback

This exhaust upgrade enhances the vehicle’s sound and response, delivering a deeper, more aggressive exhaust note that complements the Mustang’s sporty character. The improved exhaust flow can also contribute to a more responsive throttle feel and slight performance improvements, making your driving experience more engaging.

Installation & Fitment

Designed as a direct bolt-on upgrade, this kit simplifies installation for experienced DIY enthusiasts and professional installers alike. Proper fitment is ensured with all necessary hardware included, and the system is compatible with 2011–2014 Ford Mustang GT models.

What’s Included

The package includes high-flow headers, a catted X-pipe, and all necessary mounting hardware to complete the installation and ensure optimal performance.