muffler exhaust YAMAHA YZ250/WR 89 Pro Circuit 304

Silencer 304 FACTORY SOUND

• 
  Have a longer intermediate section than the MoD. R-304 and ensure higher performance at intermediate and high speeds
  • Perfect for replacing the original silencer and at the same time improving performance
  • 6061-T6 brushed aluminium body, stainless steel tubes and caseback
  • Double wall mounting brackets
  • 304 stainless steel caseback with FIM approval
  • Steel Allen screws to facilitate replacement and replacement of deadening material
  • Exclusive "E" type fiberglass deadening material