Peakside Performance
2017-2019 Duramax MPVI3 TCM Tuning
2017-2019 Duramax MPVI3 TCM Tuning
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The TCM Tuning will dramatically increase the drivability of your Allison by modifying and adjusting your shift points, line pressure, and increasing the holding capacity.
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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.