New to the site. Basically a year or so ago i bought an 04 Yukon/Denali, is an oddball. Anyway I've bagged numerous vehicles in my days. With this one im torn on whether or not to build a completely new frame bumper to bumper because i plan on it being bodied, but im wanting to keep my 3rd row somewhat and rear hvac. Already dropped 6" on 24s but the only way i see to achieve the goal stated above is go with and IRS. I cant seem to find any full-size gm suvs with a custom setup. Anyone done it?