Yoshimura Rs-12 ADV Series Slip-On Exhaust Cfmoto Ibex 450 The Yoshimura Rs-12 ADV slip-on exhaust emerges after three years of rigorous development and testing, setting a new standard in the market. Its unique design draws attention, but it's the intricate performance details that make a statement. From the matte carbon fiber end cap to the precision-machined joints. Features: Developed and tested over 24 months of factory level racing 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