I have a rear wing spoiler in real carbon fiber, I bought it on eBay I paid $1,600. Us I use it for 3 months on my car was a 570s. It is like new with the brackets easy to install, it can fit on the GT. Reason for sale, I change my 570S for 720S. You can call me 450-634-1556 my name is Michel (Actually I am in Arizona back home 1 April)