September 2012 - I purchased the Diablosport Trinity programmer/tuner off of the Patriot Run Challenger and installed. Holy hell this thing really unlocks the hidden power in my Cummins...and that is set on the economy/performance tune. I have not even downloaded the extreme tune to try yet.
These are the parameters I watch with it (boost, trans temp and fuel pressure):
Also, added some retro'd headlights (retro'd by Jeremy @ retroshop.us). These are Nightrunner headlights with 6000k, 55w, HID projectors:
