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MASSIVE ANNOUNCEMENT! 2017-2019 L5P Duramax owners! The EvoHT2 with revolutionary Locksmith ECM Unlock tool is available for purchase now. No ECM removal required! Unlock your max potential and flash tune your Duramax with as much as 150hp gains. Calibrate for tire size changes. Adjust pedal sensitivity. Adjust top speed limiter. Manual Regen. Trans Relearn. Clear Codes. Remember Tow/Haul and Exhaust Brake settings. Completely customize your driving experience all from the cab of the truck. No m
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