As long as you know Subaru (Fuji), once you hear the word "STi", your heart will tremble with excitement like an electric shock! Yes, STi is to Subaru what M is to BMW, AMG to Mercedes-Benz, S to Audi, GTi to Volkswagen, Type R to Honda, GT to Porsche, HSV to Horton, FPV to Ford, EVO to Mitsubishi and so on.