FMF Factory 4.1 RCT Slip-On Muffler Beta 450 RX / 450 RC (2024-2025) 045690

FMF Factory 4.1 RCT Slip-On Muffler Beta 450 RX / 450 RC (2024-2025) 045690

The FMF Factory 4.1 RCT Muffler represents the absolute pinnacle of four-stroke exhaust performance, featuring the latest Resonance Chamber Technology™ both internally and externally. This slip-on is engineered with a shorter overall length to minimize crash damage and utilize Factory Forward Engineering, which moves the muffler closer to the engine to centralize mass and improve handling. If you are looking to Buy FMF Factory 4.1 RCT for your Beta, you are choosing a system that delivers massive power gains throughout the entire RPM range while offering significant weight savings over the stock unit.

Crafted 100% in FMF’s Southern California factory, this muffler is built using only aerospace-grade titanium tailored to exacting specifications. This specific model comes in a stunning Blue Anodized finish paired with a high-strength Carbon Fiber end cap. Whether you are installing a Beta 450 RX replacement silencer or completing a high-end FMF Beta 450 service kit, the inclusion of the new Rapid Tuning System (RTS) makes sound level adjustments and maintenance easier than ever, ensuring your machine stays at peak performance on the track.

Top Features FMF Factory 4.1 RCT Slip-On Muffler Beta 450 RX / 450 RC (2024-2025) 045690

• Resonance Chamber Technology™ (RCT) lowers sound while maintaining maximum power output.
• Factory Forward Engineering centralizes mass for better bike flickability and handling.
• Constructed from proprietary aerospace-grade titanium for extreme weight reduction.
• Blue Anodized Titanium canister with a sleek Carbon Fiber end cap.
• Rapid Tuning System (RTS) allows for quick insert changes and easier maintenance.
• Designed for a perfect fit on both FMF headers and the stock OEM header.

Fitment List

• 2024-2025 Beta 450 RX
• 2025 Beta 450 RC

FAQ

Q: Does the 045690 slip-on come with a spark arrestor?
The Factory 4.1 RCT is a competition-focused muffler. While it features the RTS system for inserts, please verify if the specific kit includes a spark arrestor screen or if one needs to be purchased separately for trail use.

Q: How much weight will I save by switching to the FMF 4.1 Titanium?
By replacing the heavy OEM stainless steel muffler with FMF’s proprietary titanium blend and carbon fiber components, you can expect a significant reduction in weight, often several pounds lighter than stock.

Q: Can I run this slip-on with my stock Beta header?
Yes, the FMF 4.1 RCT is designed to be a direct bolt-on for the stock header, though pairing it with an FMF Megabomb will unlock even greater horsepower gains.

Elevate your Beta 450 RX to factory-spec performance and style. Order your FMF 4.1 RCT today and dominate the track with the ultimate exhaust system.

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