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: APRILIA: 09-10 RSV4 Factory; 13 RSV4 Factory APRC ABS; 11-12 RSV4 Factory SE; 10-12 RSV4 R; 13 RSV4 R APRC ABS; 16 Tuono 1000 R Factory; 21 Tuono V4; 19-20 Tuono V4 1100 Factory; 15-16 Tuono V4 1100 Factory ABS; 18 Tuono V4 1100 RF; 18-19 Tuono V4 1100RR; 15-17 Tuono V4 1100RR ABS; 21 Tuono V4 Factory; 11-13 Tuono V4 R; 12-13 Tuono V4 R APRC; 14-15 Tuono V4 R APRC ABS