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.
This Part Fits:
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 |
