Complete drivetrain tuning for your Chevrolet truck Multiple performance tunes included for all vehicles and heavy load towing for truck and SUV's Automatic transmission optimization Industry leading horsepower and torque gains Read and clear diagnostic trouble codes The Flashorsepoweraq performance tuner is the best selling handheld tuner in the industry. The success of the tuner is due to its quality, innovation and performance results. The GM gas Flashorsepoweraq delivers more to-the-wheels power than other popular tuners all while eliminating common problems found in the other products. The results for your gas powered truck, SUV or performance car are industry leading and the features list lengthy including multiple power levels and a variety of user-tunable options. The first time you get behind the wheel you will notice improved throttle response, high-end drivability and outstanding power gains.
I have a 2006 GMC Sierra !500 with a 5.3 motor. My highway MPG went from 17.5 to 19 MPG after I programmed it to mileagesaver mode. So it definitely helped.
