2017 - 2019 GM 6.6L L5P Duramax T87A | Transmission Tuning by PPEIPP-T87A-BF
Have your TCM flashed by us in-house. No charges for credits or unlock.
Optimize shift points, line pressure, converter lockup, increase efficiency, and utilize adaptive shifting.
This is not an unlocked HP Tuners TCM.
WHO IS THE TUNER/CALIBRATOR
PPEI, also known as Power Performance Enterprises, Inc., is led by the business owner and lead calibrator/tuner Kory Willis. PPEI began calibrating/tuning back in 2008, specializing in Diesel Performance but has since expanded into the Gas and Powersports industries. Kory the team at PPEI have set many world records along with continuing many industry “firsts”. We take pride in knowing that Kory not only prides his work, but also thoroughly enjoys setting expectations high for our team so our customers can have the best products available in the world.