EvoHT2 for 17-19 GM Duramax - Now with ECM Unlock Capabilities ; In-vehicle ECM unlock with industry first ECM unlock tool; remembers last button setting for exhaust brake, tow/haul, and grade braking; 1.3 seconds faster in 1/4 mile, gained 8 mph. ; Throttle boost feature allows user adjustable pedal sensitivity (5-50% of stock iover); adjust speed and rev limiters; adjust TPMS settings, read and clear DTCs; calibrate speedometer for 26-38 inch tire sizes; adjust idle function for 600-1800 rpms; command manual DPF regeneration cycle; Heavy Duty Towing 75hp/150tq, Economy OMY 100hp/200tq, Light Towing 125hp/250tq, Extreme 150hp/350tq; Allison Transmission Relearn; Ideal for daily driving and towing performance; Tune has passed all internal emissions testing with CARB EO submissions being processed; Calibrations developed to deliver clean and efficient DPF friendly performance;