I am in the process installing an R3 Trunk/Spoiler on my S2 sport. I initially purchased a trunk and spoiler off a 2008 GT (which I will be selling soon). Anyhow, I came across an R3 after the fact (of course) and have decided to go that route instead. At one point I was considering using the GT trunk and the R3 spoiler, but as you can see, the holes are ever so slightly off - not much, but enough to cause a headache.

I remember searching for this information and coming up empty, so hopefully this will help someone down the road. R3 in blue.