While the rated output for the L5P is 445 HP and 910 ft-lbs of torque it dyno'd 405 Rear Wheel Horsepower (RWHP) and 850 ft-lbs on our loaded chassis dyno. Our L5P Tuning Packages unlocks the power potential that you paid for when you bought the truck from the factory. No need to delete your EGR or tamper with emissions equipment to get the best performance out of your truck. Take your L5P to the next level with the best in the business! L5P Tuning Package includes everything you need to tune your 2017 - 2021 L5P Duramax.
