4 screws in total. Need to find those bodykit shop to fix it for you. You have any existing spoiler? I dunno whether the Ori spoiler fittings is suitable for this spoiler or not, coz my car didnt comes with the Ori spoiler.
I need somebody to tune my R33 installed with Autronic SM4, the shop that I bought the Autronic from, he did the basic setup, I need people to fine tune it on a dyno, any good recommend tunner in Klang...