FMF Factory-4.1 Rct Titanium Silencer

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  • $404.99
  • Regular price $449.99
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The FMF Factory 4.1 RCT Titanium Silencer is exhaust for your 4 stroke that houses some of FMF's newest technology so you get the most from your bike. Inside the 5-sided titanium canister is FMF's latest Resonance Chamber Technology that lowers sound levels, maintains max power output, and gives you increased volume for more packing material. This chamber design refines exhaust flow and pressure using a series of internal chambers so the silencer meets both FIM 2M-Max sound tests and AMA 94dB standards. Rounding out the 4.1 RCT is an end cap that accepts various tuning tips (sold separately), disassembly for maintenance that is quick and easy, a pre-installed spark arrestor, and 100% American made construction so you can ride knowing you've got one of the best exhausts with the FMF Factory 4.1 RCT Titanium Silencer.


  • Performance titanium silencer for your 4 stroke dirt bike
  • Lightweight titanium construction
  • Saves weight over your stock silencer
  • Incorporates the latest RCT (Resonance Chamber Technology)
  • Patented core shape lowers sound level while maintaining maximum power output
  • Patented canister shape increases internal volume for more sound absorbing material
  • Patented chamber design to enhance and refine exhaust pressure
  • Factory Forward Engineering centralizes mass and is less prone to crash damage
  • Tuned exhaust with optimized core specifications for each application
  • Innovative rear end cap for simple installation of tuning tip inserts or spark arrestor
  • Meets AMA and FIM sound requirements
  • Quiet Core 94db insert included
  • Spark arrestor included in muffler
  • Built 100% in the U.S.A. at FMF's state-of-the-art-factory
  • Maintenance made easy with the removal of 4 screws on the front end cap
  • Compatible with stock head pipe or FMF head pipe

WARNING: Cancer and Reproductive Harm