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Easy-to-Use. Featuring an easy-to-use interface the inTune i3 tuner allows you to customize and optimize various performance parameters with simplicity. The tuner requires no drilling cutting or modification making installation a breeze. Precise Tuning. Built to boost your vehicle’s power and performance the inTune i3 tuner offers precise tuning options to enhance throttle response torque and horsepower. The high-definition touchscreen provides a user-friendly experience for quick and convenient adjustments. Installation. Putting this inTune i3 Tuner on your ride is easy and requires no drilling. Application. This Diablosport inTune i3 Tuner fits all 2012-2014 6.4L Hemi Jeep Grand Cherokee WK2 Models.