Heavy Tow Tune Only L5P (2017-2019)

The Calibrated Power Solutions - L5P Tuning Package provides everything needed to tune your 2017-2019 L5P Duramax. This tuning package does not delete or tamper with emissions equipment and aims to unlock the full power potential of your truck. While the factory L5P is rated at 445 HP and 910 ft-lbs of torque, it dyno'd 405 Rear Wheel Horsepower (RWHP) and 850 ft-lbs on Calibrated's loaded chassis dyno. With custom performance tuning, you can gain up to +150 RWHP. The package offers total flexibility to switch on the fly between five emissions-intact custom tunes for your 2017, 2018, or 2019 Chevy Silverado or GMC Sierra, eliminating the need to re-flash the truck to change tunes. This allows for optimal performance whether towing light or heavy, daily driving, or for maximum engine power.