FMF

Factory 4.1 RCT Exhaust System - Aluminum - Stainless Steel Header - Carbon Fiber End Cap

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  • Regular price $1,074.99
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  • 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
  • FITS 2024 YAMAHA YZ450FX, 2023-2024 YAMAHA YZ450F