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The K&N cold air intake kit for 1999–2004 Jeep Grand Cherokee L6‑4.0L delivers a guaranteed increase in horsepower and torque using mandrel‑bent aluminum tubing paired with a washable, reusable oiled‑cotton High‑Flow air filter. The oversized conical filter can allow up to 100,000 miles between services under normal highway driving, and many kits include a custom heat shield. Installation typically takes under 90 minutes; CARB status varies by part.
K&N 99-04 Jeep Grand Cherokee L6-4.0L High Flow Performance Kit
