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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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We recommend this for all A50 & T87 controllers. It has an aggressive Line PSI slope which will model a torque curve 100% above stock. The line PSI is modified in such a way that the truck will still retain good mileage yet hold high line psi (close to 245-300psi under full load) following this torque curve. Line PSI is increased across the board, so as a result, fuel economy may be lower in some cases.
Required to flash a 2018 6.7L Cummins with EFILive.
Upgrade your vehicle? Purchase tuning upgrades to get an updated tune file.