FMF Factory 4.1 RCT silencer

• Silencer housing made of high-grade aluminum
• Carbon silencer cap
• Mounting also possible with original header
• Significantly more torque
• Substantial weight saving
• Noticeable performance enhancement

In connection with an FMF Megabomb header even further increase in rideability and power output can be achieved.

ATTENTION: When used on MX EU models from MY26 and MX US models from MY26 FACTORY EDITION / MY27 Standard, the air box and air filter must be reverted to MY25. The correct engine mapping must also be installed. Vehicles in this configuration no longer comply with the 109 dB FIM noise limit.