As for STi anything, check out @
switchlanez and my car.
http://www.ft86club.com/forums/showthread.php?t=24915
http://www.ft86club.com/forums/showthread.php?t=24915
The aftermarket is still young for this car but all of the Mfrs are scrambling to get a piece of the pie quickly.
The 2013 Tokyo Auto Salon is a good example of what kind of effect this car is having in the aftermarket.