FDY Performance
Factory 4.1 RCT Exhaust Silencer 19-25 Honda CRF 450 X - FMF 041587
Factory 4.1 RCT Exhaust Silencer 19-25 Honda CRF 450 X - FMF 041587
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The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap (041587) is engineered for riders demanding top-level performance and advanced durability. This slip-on exhaust features FMF Resonance Chamber Technology™ both internally and externally, with a compact design ideal for mass centralisation and reduced crash susceptibility. Manufactured entirely in Southern California from aerospace-grade titanium, the blue anodised muffler is complemented by a lightweight carbon end cap, delivering exceptional power gains and significant weight savings.
Features
- Closed course use only
- Advanced FMF Resonance Chamber Technology™ for optimised performance
- Blue anodised titanium muffler with carbon fibre end cap
- Massive power gains throughout the RPM range
- Significant weight reduction for improved handling
- New Rapid Tuning System (RTS) for fast adjustments
- Proprietary alloy-grade titanium construction made to FMF standards
- Centralised mass for better manoeuvrability
- Screen insert spark arrestor included
- Optional 94dB quiet insert available (sold separately)
- Made in the USA
Specifications
- Item ID: 041587
- Type: Slip-On
- Configuration: Single
- Construction: Titanium
- Finish: Blue Anodised
- Midpipe: Stainless Steel
- Endcap: Carbon fibre
- Spark Arrestor: Screen insert (included)
- Carb Warning: No
- Quiet Insert: 94dB insert (sold separately)
- Weight: 6.3 lbs
Vehicle Fitment
Honda
- CRF450X (2019–2025)
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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