2011-2016 LML Duramax EFI Live Tuning

Diesel DNA has specifically written these tunes to optimize your 6.6L Duramax. With these EFI-Live Custom Tune Files, you will be able to choose from a great selection of tunes varying from optimized stock, all the way up to 150HP. So whether you are looking to get a little more power than stock or just want to go for some power gains, Diesel DNA has you covered!