YOSHIMURA RS-12 EXHAUST SYSTEM SS-AL-CF - 961-6418We considered all the details when it came to the RS 12. One look and you can see its like nothing else on the market. As you get closer you will notice the details in every place on our new dirt bike system, from the matte carbon fiber end cap with decal inlays to the precise machined joints, this system is next level. Developed and tested in the heat of over 24 months of factory level racing Aggressive, intelligently designed, asymmetrical shaped RS