HKS Scion FRS and Subaru BRZ Legamax Sports Muffler cat back exhaust. This unique and simple exhaust system will set you apart from the rest. System includes the bumper garnish pieces as well to create a perfect look and fit. This system is a quad tip exhaust and will require bumper modification to fit. The HKS garnish pieces help finish the bumper off after you cut the openings larger for the tips.