Tune your Powerstroke using the Ez Lynk Auto Agent and your cell phone! Choose between switching tunes on the fly, or load your favourite power level. This product comes with TCM tuning built into the tune file! The transmissions required it to handle the horsepower gains provided by the ECM tuning. OPTIMIZED STOCK: + 25 RWHP, + 40 ft-lbs torque Delete dead pedal Leaves factory rev limit in place HEAVY TOW For towing from 8,000lbs up to Gross Vehicle Weight Rating Wider torque curve assists heavy loads + 45 RWHP, + 80 ft-lbs torque Exhaust temperatures drop up to 100F under full load LIGHT TOW For those towing below 8,000lbs Designed for weekend tower, boats, small tractors, etc Unhook and enjoy a sportier drive + 75 RWHP, + 110 ft-lbs torque SPORT ECONOMY Fun “unloaded” daily driving For driving around town, highways + 135 RWHP, +325 ft-lbs torque Puts your vehicle near the 555 RWHP mark RACE Maxes out the factory fuel system +180 RWHP, +400 ft-lbs torque Great for daily driving (depending on driving habits)