KTM FMF Fatty Expansion Chamber

Fitment: 250 SX 11-15, 250/300 EXC 11-15


  • Made from high quality, extra strong and durable sheet steel
  • Nickel-plated surface
  • Wide, even rev band
  • High rev speed
  • More traction and better control under full throttle
  • Including O-rings
  • Recommended in combination with an FMF silencer for a perfectly matched full system with optimum performance

KTM FMF Fatty Expansion ChamberSXS11300500


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