✨FMF 044409 Factory 4.1 RCT Slip-On Muffler – Blue Titanium Power for Your Yamaha YZ450F!
Take your 2014-2017 Yamaha YZ450F, 2016-2018 YZ450FX, and 2016-2018 WR450F to the next level with the FMF 044409 Factory 4.1 RCT Slip-On Muffler. Featuring a striking Blue Anodized Titanium construction with a Carbon Fiber End Cap, this high-performance exhaust delivers maximum power gains, reduced weight, and improved handling. Built with FMF’s cutting-edge Resonance Chamber Technology™ (RCT) and Factory Forward Engineering, it enhances exhaust flow, optimizes power throughout the RPM range, and keeps your ride race-ready.
Why Choose the FMF Factory 4.1 RCT?
✔ Resonance Chamber Technology™ (RCT) – Boosts power while minimizing noise.
✔ Factory Forward Engineering – Compact design moves the muffler closer to the motor for better balance and crash resistance.
✔ Blue Anodized Titanium + Carbon Fiber End Cap – Incredibly lightweight, durable, and race-proven.
✔ Massive Power Gains Across the RPM Range – Increased horsepower and better throttle response.
✔ Rapid Tuning System (RTS) – Quick and easy performance adjustments.
✔ 100% Made in the USA – Manufactured at FMF’s Southern California factory for unmatched quality and craftsmanship.
Upgrade Your Ride – Ride Lighter, Faster, and Louder!
The FMF 044409 Factory 4.1 RCT Slip-On Muffler is the ultimate performance upgrade for your YZ450F, YZ450FX, or WR450F. Dominate the track or trails—order yours today!
❇️ Limited Stock – Buy Now Before It’s Gone!
FAQs:
❓ Will this fit a 2018+ Yamaha YZ450F?
No, this model is specifically designed for 2014-2017 YZ450F, 2016-2018 YZ450FX, and 2016-2018 WR450F.
❓ Does it include a spark arrestor?
No, but a spark arrestor insert is available separately for trail compliance.
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