Yoshimura's new RS-12 system has been in development for over a year and no stone has been left unturned to create the best exhaust system on the market.

In collaboration with Honda Japan, HRC Honda and MXGP World Champion Tim Gajser, this Yoshimura system will be able to deliver!

Available in a stainless aluminum muffler version or an ultra-lightweight titanium system, the new RS-12 system is the best exhaust system for the new CRF 250R/450R - without question.

Details:

• Developed and tested in collaboration with HRC Honda Racing World Champion Tim Gajser and engineers, the new RS-12 is.
• Asymmetrically shaped muffler maximizes capacity and includes a resonance chamber to control volume and increase performance  
• Tapered muffler body inlet design allows the system to be pushed forward in the new Honda chassis, contributing to weight centralization without compromising performance
• Unique oval manifold design 
• RS-12 systems feature precision-machined connections
• New Precision Taper Fit (PTF) insert ring facilitates installation and removal of muffler inserts and spark arrestors
• Carbon end cap covers RS-12 inner cap, making maintenance easier than other mounting designs