Description
Features
- U.S. Forestry approved spark arrestor
- Megamax II is a reverse cone megaphone design and can be run open for closed course or with discs for off-road riding
- Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
- FMF has radically improved the PC IV by creating a modular end cap that allows for easy tuning with various end caps that alter the power band around the needs of the rider
- Quickly changed, the standard Hi-Flo 2" end cap, the optional 1-3/4" end cap for a smoother power delivery and the spark arrestor module all give the PC IV substantial versatility and tremendous performance gains
| 2013 | Yamaha | YFZ450 |
| 2012 | Yamaha | YFZ450 |
| 2009 | Yamaha | YFZ450 |
| 2008 | Yamaha | YFZ450 |
| 2007 | Yamaha | YFZ450 |
| 2006 | Yamaha | YFZ450 |
| 2005 | Yamaha | YFZ450 |
| 2004 | Yamaha | YFZ450 |