2001 - 2010 Duramax 2500 3500 4500 5500 | 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 Compatible with: 2001 - 2010 LB7 LLY LBZ LMM 2500 3500 Pickup and Cab Chassis/Incomplete Trucks C4500 C5500 Kodiaks Cargo Vans LMM LGH Cutaway 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 Tune Stock Trans HP Built Trans HP HTOW +15HP +30HP Eco +30HP +