Superchips 2855 Flashpaq for GM Duramax 3500 Truck LB7, LLY, LBZ and LMM Diesel 6.6L

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 diesel 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 Duramax powered truck are legendary and the features list lengthy including multiple power levels and a variety of user tunable options for the 6.6L LMM, LBZ, LLY and LB7 engines. The first time you get behind the wheel you will notice improved throttle response, high-end drivability and outstanding power gains.