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Designed for current PPEI users who already have an AutoCal and Single Tune or Tune Pack. A FREE LML DST Switch is included.
2011 – 2016 Duramax LML
EFILive Custom Tuning
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The injection pump upgrade is available for PPEI users who wish to make their current tune compatible with an aftermarket injection pump.
The injector upgrade is available for PPEI users who wish to make their current tune compatible with aftermarket injectors.
This product is only available to dealers who have previously negotiated terms with PPEI.
Earlier converter lockup, increased line pressure, new shift strategy to keep from lugging, easier downshift with less throttle input, and tailored torque management.