Yoshimura Rs-12 Exhaust System Triumph TF 450 Developed over three years with input from professional athletes and engineers, Yoshimura introduces the Rs-12 full system exhaust. This system distinguishes itself with unique performance features, such as the matte carbon fiber end cap and precision machined joints, setting a new standard in exhaust design. 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 Weight: Ss/Al/Cf Rs-12 full system: 8.7 Lbs