2011-2016 LML Duramax single tune file.
The single tune will be one single tune file of your choice ranging from stock HP up to 200 HP increases.
This tune file will be sent via email, and you will need an EFILive V2 or AutoCal to load the tune into your vehicle. Select the desired HP level, along with other specifics about your truck.
Click here for info on properly learning the LML Allison transmission.