Hey Folks,have anyone use the Goodyear F1 A2 on 325 with 17" staggered configuration because, for the Fronts you have the 225/45R17 but for the back F1 A2 doesn't have 255/40/R17 they only have a 245/40/R17. So will the difference in ratio be a problem? Any recomendation? Thanks!Jen Sen