2017-2019 GM L5P FLASHPAQ W/ UNLOCK

The 2017-2019 L5P GM Duramax Flashpaq performance programmer (PN 2848-DS) includes hardware and software to UNLOCK YOUR ECM AT HOME. It contains tunes for daily driving, heavy towing, and enthusiasts. Once unlocked (a one-time operation), pre-loaded tunes can be flashed to fine-tune the truck for performance, towing, or fuel mileage. At max power, it adds up to 150 horsepower and 350ft-lbs of torque without mechanical changes, with extensive reliability testing. The included hardware and software allow in-vehicle ECM unlocking, eliminating the need to remove and ship the ECM, meaning tuning in minutes with no vehicle downtime. Features include 'Keep Drive Modes' to remember last settings for Exhaust Braking, Tow/Haul, and Grade Braking, and an adjustable Throttle Booster (0-50% sensitivity increase) for personalized pedal response.