Introducing the Yoshimura RS-12 Exhaust System, part number 265000S320, meticulously developed over three years with input from top athletes and engineers. This exhaust system is unlike any other on the market, featuring a stunning matte carbon fiber end cap adorned with decal inlays and precision machined joints. The RS-12 not only enhances performance but also provides superior clearance for your dirt bike's tire and brake caliper. Elevate your riding experience with the next-level design of the RS-12. Features: * Aggressive Design: Asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power, and improves tire and brake caliper clearance. * Precision Machined Joints: Each joint is crafted for optimal performance and durability. * Matte Carbon Fiber End Cap: Features intricate details and a sleek, professional look. * Easy Servicing: Innovative carbon fiber cap design simplifies maintenance compared to traditional sandwich mounting systems. * Patent Pending PTF Insert Ring: Introducing a new technology to enhance fit and performance. * Tapered Muffler Inlet: The unique design improves airflow and exhaust efficiency.