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FMF

Factory 4.1 RCT Exhaust System

Manufacturer Code044477
Product CodeCHM-FMF-044477
  • Incorporates FMF Resonance Chamber Technology™ both internally and externally
  • Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
  • Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
  • Spark arrestor screen insert included
  • 94dB insert included
  • For closed course competition only.
  • NOTE: Will not pass 2025 FIM sound regulation


    • Vehicle fitment

    Select your vehicle in the bar above to check if this part fits.

    This part is compatible with 3 motorcycle models.
    • YAMAHA WR 450 F2024–2026
    • YAMAHA YZ 450 F2023–2025
    • YAMAHA YZ 450 FX2024–2026
    On demand
    Delivery time determined after consultation
    RON 7,522.62
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    Specificații

    Specificații

    TypeRace
    ModelFactory 4.1 RCT
    UnitsEach
    Product NameExhaust System
    Riding StyleOff-Road
    Pipe MaterialStainless Steel
    Research ValueFinalized
    End Cap MaterialCarbon Fiber
    Muffler MaterialAluminum
    End Cap Color/FinishBlack
    Muffler Color/FinishAnodized| Gray