Upgrade your motorcycle's performance with the Yoshimura R 77 Race Full System Exhaust, part number 12651AJ220. This high-quality exhaust system features a unique trapezoid shape that not only enhances aesthetics but also maximizes internal volume for improved airflow and power. Equipped with a straight, single core baffle, it delivers a clean, powerful sound while allowing for a low-volume sound insert to meet noise regulations when needed. Experience the difference in performance and sound with this premium exhaust from Yoshimura. Features: * Trapezoid Shape Muffler: Unique design for improved aesthetics and airflow. * Maximized Internal Volume: Enhances performance by optimizing exhaust flow. * Straight, Single Core Baffle: Delivers a clean and powerful sound. * Low-Volume Sound Insert Capable: Allows for sound regulation as needed.