I just found this site and am looking forward to hearing your thoughts on diesels. I have an 08 (7.5) duramax 1 ton drw crew. Some of my upgrades are: Iron Bull front bumper w/12,000 mile marker wench, banks air intake, afe bladerunner intake manifold and turbo downpipe, XX filtration duel fuel filter system with fass fuel pump, mag hytech trans and rear covers, firestone air bags and an edge cs.