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Ok friends, I have my Edge (just delivered) to unlock my 2013. Now the next step is choosing a tuner person for my efi live. Ive read that HPP, PPEI, Anarchy, and Firepunk are good. Who are you using, and why? What can you tell me about the tunes? I deffinitly want transmission tuning...

I am about to delete my 2013 Tradesman. I am wondering why so many are buying a 4 inch exhaust that is downpipe back? Wouldnt it be easier, and a money saver to just cut off the dead weight, and stick a stick of 4 inch in its palce? All you are using is the factory downpipe, and tail pipe...

http://www.efilive.com/latest/cat/newsletter/post/2010-15-cummins-6p7l-tuning-moves-into-beta/ Not sure if anyone here had seen this.

Just wanted to say hey from Kentucky. I have not had a chance to look at the site much, but have heard good things from other Comp members.