Unleash the full potential of your 2019-2024 Yamaha YZ250F and 2020-2023 Yamaha YZ250FX with the FMF Aluminum Factory 4.1 RCT Slip-On Muffler. Designed for maximum power gains, weight reduction, and durability, this high-performance exhaust system features FMF’s patented Resonance Chamber Technology™ (RCT) and Factory Forward Engineering—ensuring optimized exhaust flow, increased horsepower, and improved handling on the track or trail.
Why Choose the FMF Factory 4.1 RCT?
✔ Resonance Chamber Technology™ (RCT) – Enhances power while keeping sound levels race-legal. ✔ Factory Forward Engineering – Shorter, compact design moves weight closer to the motor for better handling and crash resistance. ✔ Aluminum Construction + Carbon Fiber End Cap – Lightweight, ultra-durable, and race-proven. ✔ Power Gains Across the RPM Range – Improved throttle response and acceleration. ✔ Rapid Tuning System (RTS) – Quick and easy tuning adjustments. ✔ Meets AMA & FIM Sound Standards – Includes 94dB Quiet Core insert and spark arrestor for trail compliance. ✔ Compatible with Stock or FMF Headers – Designed for a perfect fit and maximum versatility.
Upgrade Your Ride – Ride Faster, Stronger, and Lighter!
The FMF Aluminum Factory 4.1 RCT Slip-On Muffler is built for serious riders looking to maximize performance on their YZ250F or YZ250FX. Don’t get left behind—order now and experience the FMF difference!
❇️ Limited Stock – Buy Now Before It’s Gone!
FAQs:
❓ Will this fit a 2018 or older Yamaha YZ250F? No, this model is specifically designed for 2019-2023 YZ250F and 2020-2023 YZ250FX.
❓ Does it include a spark arrestor? Yes! A spark arrestor and 94dB Quiet Core insert are included for noise reduction and off-road compliance.
