17's and 18"s never scraped on my si sol i had 17s on that biatch with 17 and 225/50 couldnt beleive it but they never scraped nor did the giavonnie 18s i had on it but i had the lowest profile out 205/35 or some shit...Im waiting to get me another sol since mine was fucking hit by a gay ass mustang to try 19s on it.lol