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  1. 4th Gen Performance Parts Discussion
    Hey y’all, recently just picked up a 2012 Cummins. All it has done to it performance wise is a cold air intake, tune/delete and a 5 inch straight pipe. My question is, with the tune (TS6) and a stock transmission, what tune would be okay for daily driving? I’d assume around the 3rd position...
  2. 4th Gen Performance Parts Discussion
    I’ve ran PPEI tunes ever since I deleted my truck and have loved their tunes. But recently I finally got my turbo on and their new tunes have been completely under fueled. I’m sure the EPA crackdown has something to do with that. Now I don’t want a Smokey truck just to be smokey I want a truck...