Emissions Compliant PPEI Tuned Duramax L5P 507hp
We put one of our customer's Emissions Compliant 2017 GMC Duramax L5P on the dyno with a PPEI 120HP Street Performance Calibration installed. This truck made 507.6HP and 1105.5TQ at the rear wheels.
https://ppei.com/products/2017-2022-g...