Yoshimura Rs-12 Exhaust System Honda Crf250R / RX Leveraging a longstanding partnership with Team Honda Hrc, Yoshimura has developed the Rs-12 exhaust system for the 7th generation Crf250R, setting a new standard ahead of competitors. At first glance, the unique design of the Rs-12 stands out. Upon closer inspection, the meticulous attention to detail becomes evident, from the matte carbon fiber end cap with sophisticated decal inlays to the precisely machined joints. This system represents a significant leap in exhaust system innovation. Features: Aggressive, intelligently designed, asymmetrical shape of the Rs-12 allows for maximum muffler volume which helps manage sound, add power and provide more clearance for the rear tire and brake caliper Improved performance gains and weight reduction Just like the works systems Factory Racers use, Rs-12 systems utilize precision machined joints which provide a superior fit and improve system life and performance Works-look matte carbon fiber end cap with industry leading design Carbon end cap covers inner cap mounted design which improves durability and eases servicing as compared to other sandwich mounting designs New patent pending Precision Taper Fit (Ptf) insert ring makes it easy to install and remove sound inserts and spark arrestors Tapered muffler body inlet design of the Rs-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance Proudly designed, developed and made in the USA