I've just ordered myself some tasty 17" RS 7 Spokes for my S2 ERST

! The car is currently lowered, not sure by how much, though the front seems quite a bit lower than the back, (almost rip my exhaust off every time I enter the driveway).
How will the arch clearance be with these alloys?
Are any other changes required to fit them also?
Cheers
p.s. I'll upload some pics tommorrow morning to show the ride height.