Carbon Car Sounds have done it on an older model and have an install video.
[ame="https://www.youtube.com/watch?v=3pl4z677Xq0"]DIY: How To Install A Stereo In Your Toyota 86 / Subaru BRZ - YouTube[/ame]
There is also a new model out for 2017, the DDX917WS which has Air Mirroring and a few other features built in.
Brimstone103 was looking at doing it, not sure if it's done yet.
http://www.ft86club.com/forums/showthread.php?t=114613