![FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R [044466]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/1280x1280/products/157124/167100/parts-18212013__49826.1787700305.jpg?c=2 "FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R [044466]")
![FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R [044466]](https://cdn11.bigcommerce.com/s-2wrnp2lk/images/stencil/500x659/products/157124/167100/parts-18212013__49826.1787700305.jpg?c=2 "FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R [044466]")
FMF Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R [044466]
Manufacturer Part Number: 044466
Parts Unlimited Part Number: 18212013
Product Type: Mufflers For Offroad
Factory 4.1 RCT Slip-On Muffler - Blue Anodized Titanium with Carbon Fiber End Cap - WR450R
Details
- Type: Slip-On
- Units: Each
- Muffler Material: Titanium
- Muffler Color/Finish: Anodized
- End Cap Color/Finish: Black
- End Cap Material: Carbon Fiber
- Model: Factory 4.1 RCT
- Riding Style: Off-Road
- Muffler Color/Finish: Blue
- Product Name: Muffler
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Compatible with stock header or FMF header
- Meets AMA and FIM sound requirements
- QuietCore 94 dB insert included
- Spark arrestor included in muffler
- Made in the USA
Verified Fitment
- 2021 Yamaha WR450F
- 2020 Yamaha WR450F
Yes
