piece of pe mate, line holes up in card, place on boot cut car to shape of boot line spoiler up how you want it, cut card more if nessicery when your happy with it, drill 2 holes ether side of boot lid, then smoothen them up with wet and dry, then touch them up with a touchup brush then used alittle laqure then some water based silicon, then tst fit your spoiler, if happy with the result just bolt it on, job done, takes about an hour or so to do, i'd recomend a hand. i did it on my own.