Features:
- 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
Specifications:
- Product Name: Muffler
- Type: Slip-On
- Model: Factory 4.1
- Style: Oval
- Pipe Material: Stainless Steel
- Muffler Material: Titanium
- Muffler Color/Finish: Raw
- End Cap Style: Euro
- End Cap Material: Stainless Steel
- Weight: 5.2 lb
- Units: Each
- Riding Style: ATV
Fitment:
| Year | Make | Model |
| 2004 | Yamaha | YFZ 450 4x2 |
| 2005 | Yamaha | YFZ 450 4x2 |
| 2006 | Yamaha | YFZ 450 4x2 |
| 2007 | Yamaha | YFZ 450 4x2 |
| 2008 | Yamaha | YFZ 450 4x2 |
| 2009 | Yamaha | YFZ 450 4x2 |
- Availability:
- STG Part Number:
- F|1506-044206|0
- Manufacturer's Part Number:
Other Details
