2017-2023 Duramax HP Tuners MPVI3/RTD4 Tune Files

We require a stock ECM read with HP Tuners if using an MPVI3. 

PLEASE EMAIL TO "sales@peaksideperformance.ca"

IF YOU ARE USING AN RTD4, PLEASE WAIT FOR YOUR INVITE CODE TO BE EMAILED TO YOU.

L5P Power Levels:

• Stock Delete
• +45HP
• +75HP
• +90HP
• +120HP

Higher Power levels can be written with the proper supporting modifications. Please state the HP level and the supporting modifications.

THESE FILES NO LONGER NEED AN UNLOCK BOX TO FLASH 19+, USING AN MPVI3 YOU ARE NOW ABLE TO UNLOCK/FLASH YOUR ECM.

4 Universal HP Tuners Credits are Required to Flash!

SOTF Tuning

When selecting SOTF tuning, you have the ability to utilize the Cruise Control Method (Read More Here) which would be accessed via your steering wheel. If you prefer a manual toggle switch, be sure to select the addon. If you do not select the addon, your SOTF tuning will automatically default to the Cruise Control Method.