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