Factory 4.1 RCT Titanium Anodized Exhaust Silencer 24-25 Kawasaki KX 450 F X - FMF 042404

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap is engineered for serious riders seeking maximum performance and durability. Incorporating advanced FMF Resonance Chamber Technology™ and Factory Forward Engineering, this slip-on silencer centralises mass closer to the motor, improving handling and reducing crash susceptibility. Its aerospace-grade titanium construction with blue anodised finish and a lightweight carbon end cap contribute to massive power gains and significant weight reduction for competitive edge on closed courses.

Features

• Incorporates both internal and external FMF Resonance Chamber Technology™ for optimal power and sound control


• Shorter overall length minimises potential crash damage


• Factory Forward Engineering centralises mass


• Aerospace-grade, blue anodised titanium muffler with carbon end cap


• Delivers massive power gains across the RPM range


• Substantial weight reduction for enhanced performance


• Rapid Tuning System (RTS) for quick adjustments


• 100% manufactured in Southern California


• Includes 94dB quiet insert and screen-type spark arrestor


• Slip-on fitment for easy installation


• For closed course use only

Specifications

• Item ID: 042404


• Type: Slip-On


• Configuration: Single


• Muffler Construction: Titanium


• Muffler Finish: Blue Anodised


• Midpipe: Titanium


• Endcap: Carbon


• Spark Arrestor: Screen insert (included)


• Quiet Insert: 94dB insert (included)


• Carb Warning: Not applicable

Vehicle Fitment

Kawasaki

• KX450F (2024–2025)


• KX450X (2024–2025)