Looks like this could happen sooner rather than later. It should at least have 350 HP from the 2.3 in the Focus RS but I'm hoping for closer to 400 HP. I've always been a fan of the Fox body SVO and below is my favorite. That Roush IMSO GTO was capable of 950 HP!
https://www.motorauthority.com/news/1122921_reborn-ford-mustang-svo-reportedly-still-might-happen
http://www.speedhunters.com/2015/08/turbo-spirit-the-imsa-gto-mustang/
https://www.motorauthority.com/news/1122921_reborn-ford-mustang-svo-reportedly-still-might-happen
http://www.speedhunters.com/2015/08/turbo-spirit-the-imsa-gto-mustang/