1 / 2
FMF
Factory 4.1 RCT Slip-On Muffler
Part # 1831-0610
$674.99
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
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
Customer Reviews
No reviews yet — be the first to review this part.
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.
More from FMF
FMF
1861-0585
Wash Plug - 2-Stroke
$5.99
FMF
1860-0828
Pillow Muffler Packing - 4-Stroke
$31.99
FMF
1821-2029
Q4 Muffler
$499.99
FMF
FMF12-002
Muffler Packing - 2-Stroke
$10.99
FMF
1820-0739
Powercore 4 Exhaust
$279.99
FMF
1820-1869
Gnarly Pipe
$329.99
FMF
FMF12-004
Muffler Packing - 4-Stroke
$14.99
FMF
25014695
Chamber Hat - Black
$32.00