Am looking to replace current wheels 20" x ? .. Tyres 225/35 zr20.. Question is wot width rim is a good size that i wont have to roll the gaurds if i purchase 18x7, 18x8, 18x9.. Or purchase 17x7 17x8 17x8.5 and running a 225/45 ?.. and am i right in saying that my.. my05 impreza is a gd model (am still learning the impreza abbev's and models)and also do all models from 01 thru to 05 have a +55 offset.. any help wood be helpful..