2017-2023 GM 6.6L L5P & L5D Duramax | Optional Engine Calibration Only By PPEI.
2017-2023 GM 6.6L L5P & L5D Duramax | Optional Engine Calibration Only By PPEI.
2017-2023 GM 6.6L L5P & L5D Duramax | Optional Engine Calibration Only By PPEI.
2017-2023 GM 6.6L L5P & L5D Duramax | Optional Engine Calibration Only By PPEI.

2017-2023 GM 6.6L L5P & L5D Duramax | Optional Engine Calibration Only By PPEI

PP-L5P&D-ET

CARB EO Pending

Designed specifically for customers who want to disable the factory speed limiter, improve throttle response sensitivity and those customers with aftermarket fuel systems such as a Fass Fuel System that require a specific calibration to enable compatibility.  

This calibration is designed for both L5P & L5D vehicles.

This PPEI calibration does not include any power enhancements or horsepower increase. Please reference the other L5P or L5D product that has a base price of $799 for the PPEI calibration that increased power and performance of the vehicle. 

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    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 and 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.