Upgrade your motorcycle's performance with the Yoshimura R77 Race Full System Exhaust (Part Number 12651AJ520). Designed for superior power and efficiency, this exhaust system features a unique trapezoid shape that not only enhances aesthetics but also optimizes internal volume for improved exhaust flow. Perfect for those seeking a competitive edge, it includes a straight, single-core baffle for enhanced sound and performance. Additionally, it offers a low-volume sound insert capability, allowing you to customize your bike's acoustic profile. Features: * Trapezoid shape muffler: Enhances aesthetics while optimizing internal volume for better exhaust flow. * Maximized internal volume: Improves exhaust efficiency and overall bike performance. * Straight, single-core baffle: Provides enhanced sound and performance. * Low-volume sound insert capable: Allows for customizable acoustic settings.