For returning customers, please enter your email and password to log in to your account.
JET Performance Chips for 1996-2003 Jeep Cherokee & Wrangler TJ with 4.0L Engines (Manual or Automatic Transmission) and constructed with very light and durable material. They feature Dynamic Spectrum Tuning that provides incredible power gains across the whole power band, not just at full throttle. These Performance Chips have point by point air or fuel ratio, advance ignition and extra other tuning points for greater performance gains of up to 25 horsepower. They are very simple and easy to install, and also backed with a 2 Year Warranty. Buy now!