BTR SFR and now Tork make tunes for the car.  with bolt ons and not upping the boost we're seeing anywhere between 40-60hp and more depending on grade of gas.
I am very pleased with how the car drives though!  It exhibits ZERO throttle lag (the red car had a serious throttle lag until I fixed it with a cheap throttle switch to stop the ECU from hanging the revs) or turbo lag.  Little engine, little turbo, big funs.  
I did notice the 2013 manuals I drove had some of the throttle lag.  this car... it feels like a cable throttle car.