We've revamped our tune file processing system! After you place your order, you'll receive an order confirmation email that includes a tune form to fill out out your vehicle. You can also view this at the top of the website. This helps us get all your tuning information in one place to process it quickly.
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**If you purchased an EFI LIVE License ONLY for $125, you are confirming that you already have a flash device (AutoCal or FlashScan). If you do not know what either of those are you need to select the AutoCalDevice + EFI Live License option to flash your truck.
Increase in Mileage
Increase in Horsepower
Increase in Torque
2011 - 2016 LGH Duramax
LGH Express Vans
All vehicle and transmission tuning require an EFI Live AutoCAL Device + Licensing for installation, unless the individual already has an EFI AutoCal or FlashCal Device and the appropriate Licensing.
A Windows based computer is needed to flash the tuning into your vehicle/transmission.
Detailed instructions come with every tune on how to download a simple file onto your AutoCal and onto your vehicle.
Tune Power Levels
30HP (Heavy Tow)
80HP (Light Tow -12k Lbs and under)
150HP (Lift Pump Required)
180HP (Lift Pump Required)
200HP (Lift Pump Required)
The DSP5 Tune comes with Switchable Tuning for the 2011 - 2016 LGH Duramax, the DSP5 Tune comes with 5 Switchable Tune Power Levels (30HP, 80HP, 120HP, 180HP, 200HP). With the DSP5 Tune user(s) can choose between power levels on the EFI Live AutoCal Device or by installing a physical DSP5 Switch for Tune selection, it is HIGHLY recommended to deploy with a DSP5 Switch for ease of Tune selection.
Transmission Tuning Features:
Earlier Converter Lockup
Increased Line Pressure
New Shift Strategy to Keep From Sluggish Shifting
Earlier Downshift with Less Throttle input
Detailed instructions come with every tune from how to download a simple file onto your AutoCal, to how to load the tune onto your vehicle. If you still need assistance, don't hesitate as our world class tech support is offered on ALL purchases!
How to get authentication code and serial number for license for those that already have an EFI Live AutoCal Device
CLICK HERE for instructions off of EFI Live's website