Derringer features 6 power levels adjustable on - the - fly. Interfaces with OBD - II (On - Board Diagnostics) to communicate with the vehicle's ECM. AutoRate uses vehicle data to adjust tune in real - time. ActiveSafety protects enginepowertrain. TransCommand protects transmission. For use with existing iDash DataMonster or iDash SuperGauge. Key Features Adds up to 61 hp and 112 lb - ft, 6 power levels that can be changed on - the - fly via iDash. Each level adds approx 12 hp, Simple plug - and - play installation with easy removal for dealer service, Interfaces with OBD - II Port (On - Board Diagnostics) to communicate with vehicle's ECM, Warranty friendly no reflash required and no traces left in ECM, Works while in cruise - control, AutoRate tunes in realtime using vehicle diagnostics, ActiveSafety protects enginepowertrain, Transcommand protects transmission, Real - time bar graph on iDash displays Derringer's added power, Update Derringer firmware, calibration through iDash using microSD card