Originally Posted by xx3

996 certainly didn't have that...

You sure?

"Similar to other Porsche Models, the GT includes an automated rear wing spoiler which deploys in the higher ranges of speed (circa 60 mph to 70 mph)." -Wikipedia

Porsche spoilers on regular 996's (an older) would come up at around 120 km/h when the car needed extra downforce, and were actually useful to the car. I don't see why porsche wouldn't do the same here...