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FMF Racing

FMF Racing Beta 350/390/430/480RR 20-25 Anod TI Factory 4.1 RCT SO Muffler w/ R. Carbon Cap

Manufacturer part number: 045668

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CODE: FMF045668
$749.99 Available to order Sold out
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The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass. The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.

  • Highest-quality proprietary blend of alloy grade titanium
  • Blue anodized titanium muffler with carbon end cap
  • Massive power gains throughout the RPM range
  • Rapid Tuning System (RTS)

This Part Fits:

Year Make Model Submodel
2020,2023-2024 Beta 350 RR Base
2025-2026 Beta 350 RR X-Pro Base
2020-2025 Beta 350 RR-Race Edition Base
2020-2023 Beta 350 RR-S Base
2020,2023-2024 Beta 390 RR Base
2025-2026 Beta 390 RR X-Pro Base
2020-2025 Beta 390 RR-Race Edition Base
2020-2023 Beta 390 RR-S Base
2020,2023-2024 Beta 430 RR Base
2025-2026 Beta 430 RR X-Pro Base
2020-2025 Beta 430 RR-Race Edition Base
2020-2023 Beta 430 RR-S Base
2020,2023-2024 Beta 480 RR Base
2025-2026 Beta 480 RR X-Pro Base
2020-2025 Beta 480 RR-Race Edition Base