hahah nah you dont want xt7's because i just ordered a mean set! jjks go for gold mate. thing is with the 5 x 100 pcd you have to wait 6 to 8 weeks. i got 18x9.5 + 38 offset for my 2004 wrx
This is the info i got from work aust
If you use 18x9.5 +38 with 245/35-18
F) outer: +20mm, inner: +20mm your wheels will stick out 20 mm from guard
R) outer: +10mm./ inner: +4mm your wheels will stick out 10 mm from guard
just dont get gloss black