FUEL INJECTION PERF KIT 99-04 WJ 4.0L

High-Flow Intake Performance: The K&N 57-1526 Fuel Injection Performance Kit is engineered to significantly increase airflow to your 4.0L engine, improving combustion efficiency and overall performance.

Increased Horsepower & Torque: Designed to deliver measurable gains in horsepower and torque, enhancing throttle response and acceleration for a more responsive driving experience.

Reusable High-Performance Air Filter: Features K&N’s premium washable and reusable oiled cotton air filter, providing maximum airflow while effectively capturing dirt and contaminants for long-term engine protection.

Reduced Intake Restriction: Replaces the restrictive factory air intake system with a high-flow design, allowing your engine to breathe more freely and operate more efficiently.

Enhanced Engine Sound: Produces a deeper, more aggressive intake tone under acceleration while maintaining smooth and controlled sound levels during normal driving.

Vehicle-Specific Fitment: Designed for 1999–2004 Jeep Grand Cherokee WJ models equipped with the 4.0L 6-cylinder engine, ensuring precise fitment and a straightforward installation process.

Durable Construction: Built with high-quality materials to withstand engine heat and demanding driving conditions, delivering long-lasting performance and reliability.