Unleash the full potential of your 2008-2018 Yamaha WR250R or WR250X with the Yoshimura RS-4S Slip-On exhaust. This premium system, featuring a stainless steel header and aluminum muffler, delivers a significant boost in performance and a more aggressive exhaust note. Engineered for durability and optimized for your specific model years, it's the perfect upgrade for riders seeking a proven performance advantage.