18s won't rub if you get really low profile tires...like 215/35...but better be good rims or pot holes + not careful = bye bye rim
you want it slammed??? get some skunk coilovers, but rides like shit...GC is good but not as low as skunks....or just get neuspeed race springs their pretty low. Goldlines are pretty low too and rides pretty good. That is all...