FMF Factory 4.1 RCT SilencerRef : FMF00002A / 18212186

Factory 4.1 RCT Silencer – FMF (Manufacturer Ref: 045699)

Designed for enduro and motocross, the Slip-On Factory 4.1 RCT silencer incorporates FMF solutions to provide a compact, robust, and easy-to-install outlet. Its RCT (Resonance Chamber Technology) design combines chambers and internal ducts to increase usable volume and optimise exhaust flow, contributing to better performance across the entire rev range while reducing perceived noise levels.

• Materials and finish: grey anodised aluminium body, stainless steel tube, black carbon fibre end cap — racing look and resistance to off-road conditions.
• Construction: Factory Forward Engineering to centralise mass and keep the centre of gravity low, beneficial for agility and handling.
• Practicality: removable end cap with 4 screws, simple installation of a spark arrestor or dB killer — 94 dB reducer insert and spark arrestor included.
• Compatibility: fits original or FMF collector.
• Compliance: meets AMA and FIM noise standards.

Ideal for the rider looking for a high-performance, lightweight slip-on exhaust designed for off-road use: controlled power, race finish, and simplified maintenance.