FDY Performance
Factory 4.1 RCT Exhaust Silencer 19-26 Yamaha WR YZ 250 F FX - FMF 044455
Factory 4.1 RCT Exhaust Silencer 19-26 Yamaha WR YZ 250 F FX - FMF 044455
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The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On exhaust with a carbon end cap showcases cutting-edge Resonance Chamber Technology™ and Factory Forward Engineering, optimising performance and durability for off-road racing. Designed with a shorter, crash-resistant profile and manufactured entirely from aerospace grade blue anodised titanium, this slip-on delivers substantial power gains across the RPM range while providing significant weight savings. The incorporated RTS Rapid Tuning System allows for convenient adjustments, ensuring adaptability to diverse racing conditions.
Features
- Notice: Closed course use only
- Blue anodised titanium muffler with carbon end cap
- Massive power gains throughout the RPM range
- Exceptionally lightweight construction
- New RTS (Rapid Tuning System) for quick, easy adjustments
- Premium aerospace-grade titanium construction
- FMF Resonance Chamber Technology™ (internal and external)
- Crash-resistant short profile for improved durability
- Includes spark arrestor screen insert and 94dB quiet insert
- Manufactured exclusively in Southern California
Specifications
- Item ID: 044455
- Type: Slip-On
- Configuration: Single
- Construction: Titanium
- Finish: Blue Anodised
- Midpipe: Titanium
- Endcap: Carbon
- Spark Arrestor: Screen insert (included)
- Carb Warning: No
- Quiet Insert: 94dB insert (included)
- Weight: 7.0 lbs
Vehicle Fitment
Yamaha
- WR250F (2023–2024)
- YZ250F (2019–2026)
- YZ250FX (2020–2026)
FDY Performance – Engineered for riders who demand more.
At FDY Performance, we deliver precision-engineered motorcycle parts trusted by riders across the UK and beyond. Every component is tested for reliability, durability, and peak performance so you can ride harder, longer, and with confidence.
We’re not just a brand — we’re a movement built by riders, for riders. Whether you’re chasing podiums, upgrading your build, or maintaining your machine, FDY Performance keeps you on the road and at the top of your game.
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