Brand New K&N style ATV Air Filter - fits factory airbox
Pleated element style for more air flow
More power and acceleration
Washable and re-usable
ID is 3 7/8"
Fits the Yamaha ATV 4 stroke models listed below:
2004 - 2012 Yamaha YFZ450
2009 - Current Yamaha YFZ450R
2010 - 2011 Yamaha YFZ450X
This is a stock size replacement sized filter for your YFZ450
Replaced K&N parts number YA-4504
This fits inside the factory airbox, and uses the stock mounting bolt / stud that goes all the way through the filter to hold it to the airbox.
Includes the metal end cap to keep the filter in place