This is the only tuner that offers 4 Tune level with the ability to add customs tunes. 40-60-80 HP Tunes. Allows fine tuning to timing & fuel curves, each unit offers a multitude of performance tunes, Adjusts speed limiters, Adjustable rev limiter for a broader power band. Adjust speedometer for gear and/or tire diameter changes, Adjust shift points in vehicles w/automatic transmissions & increase line pressure for quicker, firmer, more precise shifts, Ability to re-tune vehicles after factory re-flash of PCM, Predator flash tool allows custom tuned downloads Multi-vehicle diagnostic tool w/live data monitoring & fault code scan/erase capabilities, Installs in minutes w/no computer skills, Won't void warranty, Limited lifetime warranty |