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FMF
Factory 4.1 RCT Slip-On Muffler
Part # 1831-0610
$674.99
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- Free shipping over $100
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CA Prop 65 Warning: WARNING:
Confirmed fit for 16 motorcycle configurations across Yamaha, model years 2009–2022.
| Years | Make & Model |
|---|---|
| 2009-2022 | Yamaha YFZ450R |
| 2010-2011 | Yamaha YFZ450X |
- If performance is your priority, the Factory 4.1 is the exhaust for you
- Used by Factory teams such as KTM, Epic Can-Am and Rath Racing
- Accepts optional quiet inserts and spark arrestors
- For use with FMF Powerbomb, FMF Megabomb, or stock header
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Overview
The FMF 1831-0610: Factory 4.1 RCT Slip-On Muffler. Confirmed fit for 16 motorcycle configurations across Yamaha, model years 2009–2022. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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