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. Control Derringer, monitor key engine and transmission functions, record up to 100 parameters for hundreds of hours, read and clear codes with iDash DataMonster or SuperGauge. Key Features Up to 40hp, 63lb - ft, 0 - 100 mph 4 seconds faster, 6 power levels that can be changed on - the - fly via iDash. Each level adds approx 8 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, iDash displays dozens of temps, pressures, speeds, and info your dashboard doesn't, iDash displays 5 customizable pages of 2 - 8 gauges per page, iDash displays DPF regen status, distance between regens, DEF level, iDash logs up to 20 minmax values with customizable alerts, iDash logs up to 100 parameters at 20hz, Supplied SD card stores hundreds of hours of datalogs, Data logs can be viewed right on the iDash or transferred to a computer for analysis, iDash displays user - selectable alerts, examples speed, coolant temp, trans slip, Real - time bar graph displays Derringer's added power, Update Derringer firmware, calibration through iDash using microSD card. US Patents 7,593,808 B2 7,254,477 B1