PPEI 2017 + L5P Duramax ECM Tuning

PPEI Presents The 2017+ GM E41 L5P Duramax ECM Tuning Package

L5P Tuning and selections are currently only available for 2017-2020 Trucks

EMISSIONS PRESENT TUNING ONLY!

It's finally here! Our L5P Tuning can be purchased independently if all other requirements have been met.

A modified HP Tuners L5P E41 ECM is required to allow flashing. Select an option to purchase or if you already have a modified ECM.

The MPVI2 is required to flash your modified L5P ECM. Select an option to purchase or if the unit is already owned.