Superchips can change the setting. However you do not have to run that high of a pressure. For full capacity on these vehicles 35-40 psi is plenty with most LT tire sizes. There's a sticky that explains how to calculate your tire pressure as well.
Word, thank you sir.
2006 Jeep Commander
4.7, QTII, 2'' RC, 245/75/17 Duratracs, Black Rock 908B wheels, 35% tint, Magnaflow exhaust, Navigator offroad lights