Yoshimura CRF250F 19-25 RS-2 Stainless Full Exhaust, W/ Aluminum MufflerYoshimura CRF250F 19 25 RS 2 Stainless Full Exhaust, W Aluminum Muffler The Honda CRF250F 300F is a great trail bike that inspires a ton of fun. Here at Yoshimura it inspires us to provide this bike with even more fun! The air cooled EFI engine produces a nice base for adding good power to this great trail bike. We developed a stainless system with our updated RS 2 muffler responded nicely adding more HP and Torque through the entire power curve. As