The Yoshimura AT2 Race Series Full System is a high-quality exhaust system designed for street motorcycles. Made from lightweight carbon fiber, this full system includes a muffler and is specifically designed for the Yamaha FZ-09/MT-09 models. The manufacturer part numbers 14651AM221 and 14651AM521 ensure compatibility and authenticity. Enhance the performance and aesthetics of your motorcycle with this top-of-the-line exhaust system from Yoshimura.