PPEI Engine Tuning For 2017-2023 GM 6.6L L5D Duramax

Gain 145+ HP and increase torque. Maximize efficiency and drastically enhance your truck’s throttle response.

Level 1: Stock
Level 2: +30 HP
Level 3: +65 HP
Level 4: +120 HP
Level 5: +145 HP

Fitment:

• 2017-2023 GM 6.6L L5D Duramax

Included:

• PPEI Engine Tune

Note:

• An MPVI2/3 is required to tune your vehicle
• A modified HP Tuners L5D E41 ECM is required to flash your vehicle
• Any order placed for vehicles without OEM emissions components will be canceled and refunded, less a 10% restocking fee. In the case that the calibration has been installed - no refunds will be issued