Factory 4.1 RCT Exhaust Silencer 20-20 Yamaha WR 450 F - FMF 044466

The FMF Racing Factory 4.1 RCT Titanium Anodized Slip-On with Carbon Cap delivers cutting-edge exhaust performance through innovative Resonance Chamber Technology™. Designed for optimal power gains and reduced overall weight, the slip-on’s aerospace-grade titanium construction and compact length enhance durability and centralise mass for superior handling. Finished in blue anodised titanium and completed with a carbon end cap, this exhaust is manufactured to precise standards at FMF’s California facility for reliability in closed course competition.

Features

• Incorporates FMF Resonance Chamber Technology™ internally and externally for advanced performance


• Shorter overall length reduces crash susceptibility while centralising mass


• Aerospace-grade titanium construction for strength and weight savings


• Blue anodised titanium muffler with carbon end cap


• Delivers significant power increases across the RPM range


• RTS (Rapid Tuning System) for convenient tuning adjustments


• Screen spark arrestor insert and 94dB quiet insert included


• 100% manufactured in Southern California


• Closed course use only

Specifications

• Item ID: 044466


• Type: Slip-On


• Configuration: Single


• Construction: Titanium


• Finish: Blue Anodised


• Midpipe: Titanium


• End cap: Carbon


• Spark arrestor: Screen insert (included)


• Quiet insert: 94dB insert (included)


• Weight: 8.4 lbs


• Carb warning: Yes

Vehicle Fitment

Yamaha

• WR450F (2020)

Cross-Reference OEM Numbers

• See Features Tab -> Fitment for header compatibility