Re: 08 4.7 grand cherokee
If you have a 08 4.7 diablo Does not support it I don't think. I have a 09 4.7 and I have superchips 3875 which is now 3870 or 3860 now. Im running the 91 perf tune with the trans app. It is an improvement over stock for sure
09 laredo 4.7 28x w/ QD2 Superchip 91 Perf tune w/trans app, K&N CAI, jet 180 tstat, Bilstein 5100 struts and shocks, srt8 front & rear swaybars, Bwoody End Links, 255/65/17 General Grabber at2's, Sprint Booster.
2015 Granite Crystal Altitude.