NOTE: Not legal for sale or use on vehicles based and registered in California. Our Custom Tuning is Superior with SCT, Bully Dog, DiabloSport, Hp Tuners. See MORE INFO tab for application chart and warranty information. If you want to stay with an email tuner Unleashed Tuning has been the go to. A computer with internet is required for installation on CAT engines and is helpful for all installs.

HDGT installs using a 6 or 9-pin connector, included. Speed Limiter: Save time and money by modifying your own speed limiter.Mini Mechanic: Determine why your check engine light is on without a trip to the shop.Reports can be generated to track your performance. Driving Coach: Helps achieve mileage goals by providing visual and optional audio feedback.WatchDog: State-of-the-art technology automatically monitors the safety of your engine.Economy + Power tuning safely increases horsepower and torque by 18% allowing better performance while under load, maintaining speed and gaining up to 2 gears in the hills. Tuning: Economy tuning achieves mileage gains of 6-12%.HDGT includes 5 programs that save time, fuel and money. Tune your engine to maximize performance without compromising safety with the Heavy Duty Gauge Tuner.

Bully dog tuner