FMF Factory 4.1 RCT Exhaust Silencer 20-20 Yamaha WR 450 F - FMF 044464

Engineered for riders seeking superior performance and state-of-the-art design, the FMF Racing Factory 4.1 RCT Stainless Slip-On with Carbon End Cap is built using aerospace grade materials for exceptional durability and weight savings. Incorporating FMF’s latest Resonance Chamber Technology™ both internally and externally, this slip-on delivers massive power gains across the RPM range, with a shorter overall length and forward engineering to centralise mass for enhanced handling. Assembled at FMF's Southern California facility, this slip-on system combines natural aluminium with a carbon end cap to deliver a refined appearance and competitive edge.

Features

• Incorporates FMF Resonance Chamber Technology™ for improved throttle response and power delivery
• Designed with Factory Forward Engineering, positioning the muffler closer to the engine for optimised mass centralisation
• Constructed from a high-quality proprietary blend of alloy grade titanium to FMF’s strict standards
• Available with a natural aluminium body and carbon end cap
• Delivers significant weight reduction over stock exhaust systems
• Includes new RTS (Rapid Tuning System) for seamless installation and adjustments
• Complete with removable screen-type spark arrestor and 94dB quiet insert for versatile tuning
• Notice: Closed Course Use Only

Specifications

• Item ID: 044464
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless Steel
• End Cap: Carbon
• Spark Arrestor: Screen Insert (included)
• Carb Warning: Yes
• Quiet Insert: 94dB Insert (included)
• Weight: 9.3 lbs

Vehicle Fitment

Yamaha

• WR450F (2020)

Cross-Reference OEM Numbers

• 044464

Supplier SKU: 06-9946.FMF.FCT. Supplier availability is subject to change.

Why Buy From FDY Performance?

Shop with FDY Performance Ltd, a UK-based motorcycle parts and accessories retailer. We offer friendly product support and UK delivery options. Please check your bike make, model and year against the fitment information before ordering.