LML Stealth 64 Turbo

The Calibrated Power Solutions - L5P Tuning Package includes everything needed to tune a 2020 - 2023 L5P Duramax. It does NOT delete or tamper with emissions equipment and unlocks the power potential of the 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. This tuning package provides total flexibility to switch on the fly between five emissions-intact custom tunes for 2020, 2021, 2022, 2023 Chevy Silverado or GMC Sierra. No need to plug in to re-flash the truck to change tunes. Offers power levels for towing, daily driving, and maximum engine output. Designed to be safe for the engine and emissions equipment.