After over three years in development and testing the RS-12 is here! With all its details, the RS-12 takes the system to a new level: Improved performance gains, weight reduction and fit when compared to previous generation design
 
Developed and tested in the heat of over months of factory level racing
Aggressive, intelligently designed, asymmetrical shaped RS-12 profile allows maximized muffler volume
RS-12 systems utilize precision machined joints : improved system life, fit and performance
Carbon end cap covers inner cap mounted design improves durability
Easy to install and remove sound inserts and spark arrestors
Tapered muffler body inlet design of 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
 
YAMAHA     WR 250 F             250 2020- 2023               
YAMAHA     YZ 250 F               250 2019- 2021               
YAMAHA     YZ 250 FX            250 2019- 2023               
YAMAHA     YZ 250 F               250 2022- 2023