FMF Factory 4.1 Aluminum RCT Slip-On Muffler w/Carbon Tip (044443)
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FMF Factory 4.1 Aluminum RCT Slip-On Muffler w/Carbon Tip (044443)
$649.99
$532.44
(You save
$117.55
)
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- Spark Arrestor and Quiet Core 94db insert included
- 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
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Compatible with stock header or FMF header
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Meets AMA and FIM sound requirements
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2019-2026 | Yamaha | WR450F | |
| 2018-2026 | Yamaha | YZ450F | |
| 2024 | Yamaha | YZ450F 50th Anniversary Edition | |
| 2026 | Yamaha | YZ450F 70th Anniversary Edition | |
| 2021-2023 | Yamaha | YZ450F Monster Energy Yamaha Racing Edition | |
| 2025 | Yamaha | YZ450F Monster Energy Yamaha Racing Edition | |
| 2019-2026 | Yamaha | YZ450FX | |