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FMF – Exhaust – YZF250 – ’19-’20 – F-4.1 – Slip-On

R 8225.00


The Factory 4.1 RCT Slip-On Silencer features Resonance Chamber Technology (RCT), a patented core shape that lowers decibels while maintaining maximum power output.

  • Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power.
  • FMF’s Factory Forward Engineering centralizes mass and is less prone to crash damage.
  • Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws.
  • Compatible with stock header or FMF header.
  • Meet AMA and FIM sound requirements.
  • QuietCore 94db insert included.
  • Spark arrestor included in silencer.
  • Carbon end cap.
  • Made in the U.S.A.
  • Materials: Aluminium/ Stainless steel/ Carbon.