Reviewed By Michael S (Allison Park, PA) Reviewed for a 2009 Jeep Grand Cherokee —3/23/2012 6:30 AM
Diablosport is the handheld tune of choice for HEMI vehicles based on info I learned from various forums. I'm currently using it on my 2009 Jeep SRT8. If you have a CAI and run 93 octane gas then the best canned tune is actually the 91 CAI tune. You'll get too much knock with the 93 CAI tune. Also, crank up throttle boost to the max 20%. My SRT8 is running like a beast! Top of second gear pulls like a freight train and the shifts are nice and firm. Best feature of the inTune is that you can data log and send the files to a tuner who works at Diabosport who will email you back a truly custom tune for a nominal fee.