Factory 4.1 RCT Exhaust Silencer 09-22 Yamaha YFZ 450 R X - FMF 044400

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap represents cutting-edge exhaust technology using FMF’s advanced Resonance Chamber Technology™ for both internal and external performance enhancement. This slip-on exhaust is engineered from aerospace-grade blue anodised titanium, features a striking carbon end cap, and utilises Factory Forward Engineering to move the muffler closer to the engine, optimising mass centralisation. Designed for maximum power gains and weight reduction, the system integrates FMF’s Rapid Tuning System (RTS) for seamless adjustments, all produced with precision in Southern California.

Features

• Notice: Closed Course Use Only


• Incorporates FMF Resonance Chamber Technology™


• Aerospace-grade blue anodised titanium construction


• Carbon fibre end cap for durability and performance


• Massive power gains throughout the RPM range


• Significant weight savings compared to OEM systems


• Factory Forward Engineering for optimised mass centralisation


• Rapid Tuning System (RTS) allows for swift adjustments


• 94dB quiet insert included for compliant sound levels


• Screen-type spark arrestor included


• Proprietary blend of alloy-grade titanium


• Manufactured entirely in Southern California

Specifications

• Type: Slip-On


• Configuration: Single


• Construction: Titanium


• Finish: Blue Anodised


• Midpipe Material: Stainless Steel


• End Cap: Carbon fibre


• Spark Arrestor: Screen Insert (included)


• Quiet Insert: 94dB Insert (included)


• Weight: 5 lbs (approx. 2.27 kg)


• Item ID: 044400

Vehicle Fitment

Yamaha

• YFZ450R (2009–2022)


• YFZ450X (2010–2011)