While doing an oil change and tire rotate on the wife's 13 Sport, I installed my old 2009 WRX brakes I had laying around on her Impreza. Calipers are the same, so you just need the brackets and rotors. I won't have any feedback for awhile as I have a broken bolt in driver's side bracket.
I prefer fixed calipers though, so I may grab a set of 4-pots instead.
Anyhoo, since this is a picture thread, here are some almost useless pics.
WRX Bracket and Rotor
2013 Impreza Sport Brakes