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Earlier converter lockup, increased line pressure, new shift strategy to keep from lugging, easier downshift with less throttle input, and tailored torque management.
2015 – 2016 Duramax 2.8L
EFILive Custom Tuning
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The emissions upgrade is available for PPEI users who wish to make their current tune compatible with a modified emissions.
This is a bone stock emissions equipped unlocked tune file that you can order to make your own custom modifications!