00-07 SUZUKI DRZ400E: Yoshimura RS-3 Comp Series Full System Exhaust (Enduro/Stainless Steel) The RS-3 is synonymous with the Yoshimura name. A member of Yoshimura's product line for years, it has proven itself as one of their signature exhaust systems. Introducing the RS-3C, same classic shape as the RS-3, but with a carbon fiber cone endcap. Stainless muffler sleeve and aluminum mount bracket. Easily removable low-volume insert.