The Flashpaq 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 and diesel Flashpaq 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 or duramax diesel powered truck are legendary 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.
Complete drivetrain tuning
Performance, heavy load towing and fuel economy tunes included
Speedometer calibration for axle gear and tire size changes
Industry leading horsepower and torque gains
Read and clear diagnostic trouble codes