K&N HIGH FLOW AIR FILTER YA-4001 00-08 YAMAHA YFM400 BIG BEAR 4X4 IRS Brand: K AND N ENGINEERING Vehicle Type: Any except automotive Type: Air Filters Weight: 0.65 Fitment: 1999/Yamaha/YFM250 Bear Tracker^^2000/Yamaha/YFM250 Bear Tracker^^2001/Yamaha/YFM250 Bear Tracker^^2002/Yamaha/YFM250 Bear Tracker^^2003/Yamaha/YFM250 Bear Tracker^^2004/Yamaha/YFM250 Bear Tracker^^2007/Yamaha/YFM250 Big Bear^^2008/Yamaha/YFM250 Big Bear^^2009/Yamaha/YFM250 Big Bear^^2005/Yamaha/YFM250 Bruin^^2006/Yamaha/YFM250 Bruin^^2000/Yamaha/YFM400 Big Bear 2x4^^2001/Yamaha/YFM400 Big Bear 2x4^^2002/Yamaha/YFM400 Big Bear 2x4^^2003/Yamaha/YFM400 Big Bear 2x4^^2004/Yamaha/YFM400 Big Bear 2x4^^2004/Yamaha/YFM400 Big Bear 4x4^^2005/Yamaha/YFM400 Big Bear 4x4^^2006/Yamaha/YFM400 Big Bear 4x4^^2007/Yamaha/YFM400 Big Bear IRS 4x4^^2008/Yamaha/YFM400 Big Bear IRS 4x4^^2009/Yamaha/YFM400 Big Bear IRS 4x4^^2010/Yamaha/YFM400 Big Bea...