Answer:

Mate

WRX should take 18”x 8” but with high off-set round 40+ to 45+ (factory WRX is about 55+)

These 18”x 8.5” CR-Teks can be custom-made off-set 18+ to 40+ (reckon will rub the guards at 40+)

Also, some newer years of WRX is 5/114.3 not the normal 5/100 stud pattern, please specify it…