Killer job man! Although if no one else is gonna say it I have to... Personally I think that wing is a bit much, eh??
It's a good looking spoiler but take about 50% off of those supports so it sits lower IMHO.
Been tinkering with mine, just added some resonators to the straight pipes so it is not quite so obnoxious and actually got the AC installed because for whatever reason having a Boxster with almost 500 HP isn't cool unless it has a/c :/