Hi ... I'm new here and I am embarrassed I have never heard of an HP Tuner. I have read several of the discussions but I haven't really been able to get a good idea of how it works and better yet how easy it is. Just so you know I attempted to search for info on this subject and wasn't to successful I am sure I'm doing something wrong. I currently have minor mods K&N Intake and I am about to order a Complete exhaust system (header back). Any info on the HP Tuner or links to discussions or how to search thoroughly (I went to search typed in HP tuner only checked AV performance mods and I got nothing useful) or even a slap on the back of the head would be greatly appreciated.