Q4 S/A Yfz450 '04 07

Features:

• Developed over years of championship off-road racing


• Max sound output 96db; most models below 93db


• Pounds lighter than stock


• Use with stock or FMF header


• Built-in spark arrestor included


• Easy to repack


• Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available

Fitment:
2004 Yamaha YFZ450
2005 Yamaha YFZ450
2006 Yamaha YFZ450
2007 Yamaha YFZ450
2008 Yamaha YFZ450
2009 Yamaha YFZ450
2012 Yamaha YFZ450
2013 Yamaha YFZ450