Choose between 5 different power levels with the turn of a dial! Regardless of what your truck is used for, we have a solution to suit your needs! Add transmission tuning to improve shift schedule and timing. Recommended when running larger tires. OPTIMIZED STOCK: + 10 HP, + 20 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 + 60 RWHP, + 120 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 + 80HP, + 160 ft-lbs torque SPORT ECONOMY Fun “unloaded” daily driving For driving around town, highways + 100 RWHP, +200 ft-lbs torque Puts your vehicle near the 400 RWHP mark RACE +130 RWHP, +260 ft-lbs torque Recommend transmission tune to avoid premature wear Great for daily driving (depending on driving habits)