Superchips Flashpaq Programmer is The #1 Selling Tuner on the Market Today! Without a doubt adding Horsepower and Torque Gains and tons more. Depending on your application, The Superchips Flashpaq has a variety of re-calibrations to offer such as Transmission Shift Calibrations and rev limiters, top speed limitiers, tire size adjustments and helps diagnostics and or improved economics. Superchips Flashpaq Programmer as has improved horsepower, torque and throttle response.