Dirtbikindad393
New Member
I bought one and while reading the instructions they don't really talk about the options. Should I just skip through them as I am only using the level 1,2 and 3 tunes until I find which one gives me the best mileage. My truck isn't driven hard. I don't do Mustang kills its a dasily driver and I have done mods and aftermarket items for mileage or longevity only.