So i got efi live thanks to JJ at all seasons. Witch will give me the best mpg around town and short high trips? And witch will give me the best mpg on long high way trips? I have five tunes. I also have mbrp exhaust and down pipe. Afe blade turbo boot and cold air intake s&b. And also i was told to only tow on 1. Keeping in mind i have a stock trans.