FDY Performance
Factory 4.1 RCT Exhaust Silencer 19-26 Honda CRF 125 F Big Wheel - FMF 041594
Factory 4.1 RCT Exhaust Silencer 19-26 Honda CRF 125 F Big Wheel - FMF 041594
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Delivering massive power gains throughout the RPM range, the FMF Racing Factory 4.1 RCT Slip-On Muffler (041594) is engineered for optimal performance on closed courses. Built with aerospace-grade materials and innovative FMF Resonance Chamber Technology™, this 100% American-made exhaust minimises overall length for improved crash resistance and mass centralisation. The natural aluminium muffler, paired with a robust stainless steel midpipe and endcap, offers significant weight savings without compromising durability or power. Compatible with both OEM and FMF headers, this slip-on provides versatility and comes with a screen-type spark arrestor.
Features
- Advanced FMF Resonance Chamber Technology™ for enhanced power and torque
- Shorter profile minimises crash damage and supports Factory Forward Engineering
- Natural aluminium muffler with carbon end cap for lightweight durability
- Compatible with both FMF and OEM headers
- Easy installation with Rapid Tuning System (RTS)
- Includes screen insert spark arrestor; quiet insert available separately
- Designed for closed course use only
Specifications
- Item ID: 041594
- Type: Slip-On
- Configuration: Single
- Material: Aluminium muffler, stainless steel midpipe and endcap
- Finish: Natural
- Spark Arrestor: Screen insert (included)
- Quiet Insert: Sold separately
- Carb Warning: No
- Intended Use: Closed course only
Vehicle Fitment
Honda
- CRF125F (2019–2026)
- CRF125F Big Wheel (2019–2024)
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.
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