K&N replacement air filters are washable and reusable and provide high air-flow with excellent filtration. Features Designed to provide increased horsepower and acceleration Pleated cotton media provides a large filtration area offering low restriction high-capacity and long service intervals Multiple layers of woven cotton gauze media offer excellent filtration Fits directly into OEM airbox with an application-specific sealing bead ensuring a precise fit No fuel management modifications are required to obtain increased performance Washable & reusable most are pre-oiled and ready to ride Specifications Height: 1.063in (27mm) Washable: Yes Filter Material: Cotton Gauze Outside Length: 6.375in (162mm) Outside Width: 3.938in (100mm) Filter Re-Oiling Amount: 0.28oz (8ml) Fits: Yamaha MT03 2006-2012 XT660 R 2004-2017 XT660X SUPERMOTARD 2004-2011