Some dyno numbers for you guys:
2015 FRS with the medium (one smaller than stock) pulley, Aquamist water-meth injection, catless heat wrapped UEL headers. Stock block, stock fuel system (injectors, fuel pump) and stock clutch:
According to my tuner, the reason they couldn't go any higher was because of IATs. They did run the pulley that was even smaller than the medium one, but apparently IATs were too high to get more power even with more boost.
Truthfully, I'm a little disappointed, but Dyno Dynamics dynos read lower than most other dynos anyway so it's okay I guess. The stock cars on these dynos read about 150whp, so this is a pretty healthy 137hp bump. Really wish there was more torque though. I'm not really sure how to get much more power out of this at this point though.