Peakside Performance
2020-2022 Duramax MPVI3 Tune Files
2020-2022 Duramax MPVI3 Tune Files
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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.
SOTF Tuning
When selecting SOTF tuning, you have the ability to utilize the Cruise Control Method which would be accessed via your steering wheel.
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Delivery/Revisions
All ECM calibrations are delt with on a first come first serve basis. Most requests will be completed within 24-72 hours. Revisions should be requested through email and will be accommodated accordingly to the request. WRONG DEVICE OR VEHICLE INFOMATION PROVIDED AFTER THE TUNE IS WRITTEN WILL RESULT IN A FEE TO REVISE*
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Disclaimer:
Peakside Performance is not responsible for damage resulting from any modification performed by, produced by or recommended by us. Buyer assumes all risk for modifications and is responsible for any mechanical failures resulting from these modifications. Completely stock vehicles break every day for no reason.