FMF Racing Factory 4.1 RCT Full System Exhaust Titanium Muffler - Titanium End Cap - 044366

Item # : 135219

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  • Manufacturer: FMF



FMF Racing Factory 4.1 RCT Full System Exhaust - Titanium Muffler - Titanium End Cap


  • RCT (Resonance Chamber Technology) features 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
  • FMFs 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
  • Meet AMA and FIM sound requirements
  • QuietCore 94db insert included
  • Spark arrestor included in muffler
  • Feature titanium PowerBomb header and midpipe, except where noted
  • Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps
  • Made in the USA


  • Notice: For Closed Course Competition Use Only. Not Intended for Street Use.
  • Type: System
  • Configuration: Single
  • Const: Titanium
  • Finish: Natural
  • Midpipe: Titanium
  • Endcap: Titanium
  • Spark Arrestor: Screen Insert (included)
  • Quiet Insert: 94dB Insert (included)
  • Header Const: Titanium
  • Header Type: MegaBomb
  • Weight: 5.9 lbs.

Manufacturer Part Number: 044366