Titanium Anodized Blue FMF Factory 4.1 RCT Slip-On Exhaust Muffler for Yamaha WR 450 F (2016-2018) / YZ 450 F (2014-2017) / YZ 450 FX (2016-2018). Can be used with both the original factory exhaust header and the FMF header.
The RCT (Resonance Chamber Technology) system is a patented design that reduces decibels without sacrificing the maximum power output of the engine. The Factory 4.1 RCT exhaust mufflers are constructed from materials used in the aerospace industry and meet the conditions and specifications required by FMF Racing. They are 100% manufactured in the Southern California factory in the United States. The package includes a spark arrester insert and QuietCore 94db. The weight is significantly reduced and power is improved across the entire RPM range.
Technical Specifications:
- material: titanium | carbon fiber
- model: Factory 4.1 RCT
- type: slip-on muffler
- muffler material: titanium
- design: single
- end cap material: carbon fiber
- mid-pipe material: titanium
- muffler color: anodized blue
- country of origin: USA
Factory 4.1 RCT Slip-On Exhaust Muffler Titanium Anodized Blue Yamaha WR 450 F (2016-2018) / YZ 450 F (2014-2017) / YZ 450 FX (2016-2018).
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