2016 - 2020 2.8L Colorado / Canyon LWN Duramax | EFI Live

**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 AutoCal Device + EFI Live License option to flash your truck.

Tuning Benefits:

• Increase in Mileage
• Increase in Horsepower
• Increase in Torque

IMPORTANT:

• 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:

Transmission Tuning Feature:

• Earlier Converter Lockup
• Increased Line Pressure
• New Shift Strategy to Keep From Sluggish Shifting
• Earlier Downshift with Less Throttle Input
• Torque Management

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 sweat it as 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