According to this article they will. This is no surprise to me and the original surprise was that the FGT had aluminum wheels. Let's hope it's true. Gotta love Ford bringing CF wheels to the masses. 8)
http://www.carsguide.com.au/car-news/ford-mustang-and-gt-supercar-to-ride-on-aussie-carbon-wheels-36273
http://www.carsguide.com.au/car-news/ford-mustang-and-gt-supercar-to-ride-on-aussie-carbon-wheels-36273