Automakers are gearing up for the Tokyo Auto Show, and it’s already proving to be a show of conceptual goodness. Outside of Mitsubishi’s interesting concepts Subaru will be in attendance with two pretty awesome concepts – the Forester STI e-Boxer and the Impreza STI. Both come wearing a beautiful helping of STI design to go with, most likely, limited performance. Here’s what we know about them so far.