no hooning, just cops on the north coast of nsw!! ive found out that they will engineer em cause its only a 10mm increase over standard in height!! but..... hav 2 remove my super low springs b4 he'll certify em due to the fact that it scrubs btw, ive got 205/40/17's. with 215/45/17's he said no cause it put's the instruments out by 8%. i've answered my own question, but hope it helps someone else. cheers guys!!