Duramax Tuning

***Due to hptuners being 8-10 months out (backorder on tcm's) we are no longer offering the actual module for sale until we can get stock, tuning is still available for them if you can get yours unlocked or through other means**   For off road use...

This is available to anyone, it does not matter who you were previously tuned by. DSP5 tunes are based off steering wheel controls. This is true swithable tuning where each tune setting has it's own sets of maps. To change positions, simply hold down...

EFI LIVE AUTOCAL V3 DEVICE DEVICE IS LINKED TO US

ALL EFI Live Autocal devices come preloaded with the customers specific tune to avoid the hassle of having to download EFI live and load the tune yourself. Detailed instructions come with every tune from how to download a simple file onto your autocal,...

Tune profiles explanations Full Support Pack: If you purchased a full support pack, you will have permanent support and linkage to our technician profiles with updates. SOTF Limited Support pack: These profiles are a 4-week limited support. This give you...

**If you purchased a license ONLY for $125, you are confirming that you already have a flash device (autocal or flashcan). If you do not know what either of those are you need to select the autocal option to flash your truck. ALL EFI Live Autocal devices...