rev...na man i just accidently put 17 as the size i was goin to change too. i ment 16. and yes fitipaldi's are definetly not that common. i might want to keep them on now once i put them on, cuz i had thought about it for a while. but if i do. im goin to want to take them to wheel wizard to get them fixed cuz there's curb rash all over them.