Description
✨FMF 044400 Factory 4.1 RCT Slip-On Muffler – Blue Titanium Power for Your Yamaha YFZ450!
Upgrade your Yamaha YFZ450X (2010-2011) and YFZ450R (2009-2022) with the FMF 044400 Factory 4.1 RCT Slip-On Muffler—the ultimate combination of power, weight savings, and race-proven durability. Designed with FMF’s advanced Resonance Chamber Technology™ (RCT) and Factory Forward Engineering, this high-performance exhaust delivers increased horsepower, improved handling, and maximum throttle response.
Why Choose the FMF Factory 4.1 RCT?
✔ Resonance Chamber Technology™ (RCT) – Optimized exhaust flow for massive power gains across the RPM range.
✔ Factory Forward Engineering – Shorter, compact design moves weight closer to the engine for better balance and crash resistance.
✔ Blue Anodized Titanium Construction – Lightweight, durable, and built to perform.
✔ Rapid Tuning System (RTS) – Quick and easy performance adjustments.
✔ Huge Weight Savings – Less weight means better handling and faster acceleration.
✔ 100% Made in the USA – Manufactured at FMF’s Southern California factory for unmatched quality.
Dominate the Track & Trails – Ride Faster, Stronger, and Lighter!
The FMF 044400 Factory 4.1 RCT Slip-On Muffler is the perfect upgrade for serious riders who want maximum performance from their YFZ450X or YFZ450R. Don’t settle for stock—get yours today and feel the FMF difference!
❇️ Limited Stock – Order Now Before It’s Gone!
FAQs:
❓ Will this fit a 2023+ Yamaha YFZ450R?
FMF has not confirmed fitment for 2023+ models. This exhaust is designed for 2010-2011 YFZ450X and 2009-2022 YFZ450R.
❓ Does it include a spark arrestor?
No, but a spark arrestor insert is available separately for trail compliance.
Yamaha YFZ450 Performance, Motocross, Sport – Quads / ATV
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