Peakside Performance
2020-2022 LM2 Duramax HP Tuners
2020-2022 LM2 Duramax HP Tuners
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We are proud to announce our LM2 Duramax tuning. The wait is now over. These are custom tune files that are built specifically to your build. With HP Tuners we are able to unlock that extra fuel economy and power you should have gotten from the factory. These files are meant to be flashed with the HP Tuners MPVI3. Refunds will not be given if you order files for your ECM and you have not unlocked it yet!
Stock reads and INFO logs should be emailed to "sales@peaksideperformance.ca" with your order number.
Please note: These files are meant for unlocked ECM's only. If you need to unlock your ECM still please use this link: Unlock my ECM
| Year | Make | Model | Engine |
| 2020-2022 | GM |
Sierra/Silverado 1500 | LM2 w/ 3.0L Duramax |
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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.