Duramax Tuning

** TCM's are NOW back in stock and are shipping out.    For the tune you will need at least the minimum: ECM MPVI2 with 8 credits   DSP5 tunes are based off steering wheel controls. This is true switchable tuning where each tune setting...

This is available to anyone, it does not matter who you were previously tuned by.   How to get ECM/TCM serial number: It is located on the back of the ecm on a white sticker, you can take a picture of it or; If you hook up your computer to the...

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. We will only offer tuning on...