K&N Engineering SU-4000 KN Motorcycle Direct Fit Air Filters marine-trailering-brakes-brake-parts polycarbonate lenses are optically correct

polycarbonate lenses are optically correct to eliminate distortion and eye fatigue

Rigid lug support columns and optimized rubber compound ideal for off and on-trail performance

water vapor and CO2 through one-way exhaust valves

81 and for front track bar use 18205

K&N Engineering SU-4000 KN Motorcycle Direct Fit Air Filters marine-trailering-brakes-brake-parts polycarbonate lenses are optically correctK&N off road replacement air filters are ideal for extended use in dirty and dusty off road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with just a K&N filter element. K&N replacement air filters are washable and reusable and provide high air flow with excellent filtration.