What happens when the mad scientists in Subaru’s STI performance division get ahold of the company’s purest, lightest, razor-sharp sports car? Do they add a turbo, or a bunch more power? Well, errr, ...

The tS also gains a high-performance Brembo brake system, composed of six-piston front calipers, two-piston rear calipers, and larger pads and rotors. Subaru touts improved stopping power ...