It really depends on the design of the rims especially the spokes. I have +33 at the front and it didn't clear the calipers. Had to put in a real thin spacer. 2-3mm to clear them. The rears are usually not a problem.
sifuss!!again i need ur help.which turbo should i use for gtt r-34?and how much will it cost?owh!and does anybody can recommend any good tuner..?im using e-manage. thank you.sorry,im juz a noobie