Kooks 1-3/4-Inch Long Tube Headers with Catted Y-Pipe (21-25 5.0L F-150)Find parts that fit my vehicle

Maximum Flow for Proven Performance. The Kooks Long Tube Headers with Catted Y-Pipe are engineered to boost the power and efficiency of your 2021–2025 5.0L Ford F-150. These performance headers are designed to increase exhaust flow, enhance throttle response, and support serious horsepower and torque gains—making them an essential upgrade for aggressive builds and tuned applications.

Construction and Appearance. Crafted from 1-3/4 inch diameter 304 stainless steel tubing, these headers are built to handle extreme heat and long-term use without warping or corroding. The raw metal finish offers a clean, no-nonsense appearance, while the included catted Y-pipe ensures emissions compliance in performance-enhanced setups. Precision mandrel bends and TIG-welded flanges ensure a secure fit and leak-free operation.

Installation. Designed as a direct replacement, this header system installs in place of the factory exhaust manifolds and mid-pipe. It includes all required hardware, such as gaskets, a header bolt set, and a ball and socket bolt set, making installation adaptable for experienced enthusiasts and professional shops. Proper tuning is recommended to fully realize the performance benefits.

Warranty. Backed by a limited lifetime warranty, these headers are protected against defects in materials and workmanship, providing long-lasting confidence in your performance upgrade.

Application. These Kooks Long Tube Headers fit 2021–2025 5.0L Ford F-150 Models. They’re ideal for drivers looking to maximize engine output, reduce backpressure, and upgrade their truck’s exhaust tone with a durable, high-flow system built for performance.

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