Superchips GM Flashcal Tuners

Superchips GM Flashcal tuners are easy to use and light on your wallet. These handheld automotive devices recalibrate your truck's speedometer for aftermarket wheels, tires, and gears. Just plug them into your truck's OBD-II port, select your new tire size or gear ratio, and voila--your truck is calibrated! They're so easy to use that anyone can install them. Superchips GM Flashcal tuners deliver performance that's simple and affordable. Flashcal features (options may vary based on year, make, and model): * Corrects speedometer for tire upgrades between 26 in. to 38 in. * Speedometer recalibration for gear/axle swaps * Speed/rev limiter options * TPMS options * Reads and clears diagnostic trouble codes * Digital battery voltage display * Real-time data logging * Real-time data monitoring * Upgradeable to Flashpaq with performance tuning Show Less