Exhaust Race Rs 4 Slip On Ss Ss Cf

RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.
Features:

• Pentagonal-shaped muffler


• Maximized internal volume


• Polyresonant duplex front chamber


• Stepped, two-stage core baffle


• Spark Arrestor/Sound Insert Compatible

Fitment:
2008 Yamaha WR250R
2008 Yamaha WR250X
2009 Yamaha WR250R
2009 Yamaha WR250X
2010 Yamaha WR250R
2010 Yamaha WR250X
2011 Yamaha WR250R
2011 Yamaha WR250X
2012 Yamaha WR250R
2013 Yamaha WR250R
2014 Yamaha WR250R
2015 Yamaha WR250R