K&N Replacement ATV Air Filter for Honda TRX400EX / TRX400X | HA-4099

The K&N FilterCharger® air filter is designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.

K&N high flow cotton gauze motorbike air filters are washable, reusable and built to last for the life of your motorcycle engine. K&N air motorcycle filters consist of four to six sheets of cotton gauze layered between two sheets of aluminium wire mesh. This media is then pleated and oiled to enhance its filtering capabilities and overall performance.

K&N Air Filters were created for an environment requiring maximum horsepower and enhanced acceleration in addition to protection from the dirt and dust of off-road racing.

The result is a quality motorcycle air filter that allows dramatically more air into an engine, is washable and reusable, and will protect your engine for the life of your motorbike.