The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions. They are made from durable polyester material containing a uniform weave. The PreCharger will stop small dirt particles with minimal restriction to the airflow of the filter.
This Part Fits: 
 
  This Part Fits:
| Year | Make | Model | Submodel | 
|---|---|---|---|
| 2004-2013 | Yamaha | YFM350 Raptor | Base | 
| 1995-2005 | Yamaha | YFM350F Wolverine 4x4 | Base | 
| 1987-2004 | Yamaha | YFM350X Warrior | Base | 
| 1998-2001 | Yamaha | YFM600FW Grizzly 4x4 | Base | 
| 2002-2008 | Yamaha | YFM660F Grizzly 4x4 | Base |