Yoshimura TRC (Tri-Oval with Carbon Fiber Cone End Cap) Carbon Fiber Slip-On Ex - One Size If youre looking for that competitive edge, look no further than our Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide. FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE All applications are marked with appropriate EPA noise emissions labels