K&N Replacement Air filter

K&N filters are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life. These high quality K&N air filters are reusable and washable, and they fit many air cleaners as stock replacement. The elements are designed with a ribbed surface that will give you up to 50% more filter area than a regular replacement filter, dramatically increasing air flow. - Designed to provide increased horsepower and acceleration. - Pleated cotton media provides a large filtration area offering low restriction and long service intervals. - Multi-layers of woven cotton gauze media offers excellent filtration. - Fits directly into OEM Airbox with application specific Sealing Bead ensuring a precise fit. - No fuel management modification are normally required to obtain increased performance. - Washable and reusable / Fitment: DUCATI: 03-06 1000SS; 03 620 Sport; 99 750SS; 00-02 750SS i.e.; 03 800 Sport; 03-07 800SS; 99 900SS; 00-01 900SS i.e.; 96 M750 Monster; 01-02 Monster 400; 02-03 Monster 400 Dark; 01 Monster 400 Metallic; 03 Monster 400s; 99-01 Monster 750; 99 Monster 750 City; 99-01 Monster 750 Dark; 99 Monster 750 Dark City; 00-01 Monster 750 Metallic; 99-02 Monster 900; 99 Monster 900 City; 99 Monster 900 Cromo; 99-02 Monster 900 Dark; 99 Monster 900 Dark City; 00-01 Monster 900 Metallic; 00, 02 Monster 900 i.e.; 99-01 Monster 900s; 97-03 ST2; 04-07 ST3; 06-07 ST3S ABS; 99-03 ST4; 03-05 ST4S ABS; 01-05 ST4s