As the leader and originator of the high flow performance air filter we feel it is important to also be a leader in scientific testing of air filtration products in order to provide consumers with the best products available.  With all of the air filter media testing we have performed we have yet to find any that provides a better balance of air flow, filtration efficiency, and capacity than our oiled cotton media air filters.  Select one of the links below to learn more about the different types of testing performed in K&N's laboratory, test facilities, and independent laboratories.

Power & Torque Testing

Air Flow Testing

Air Filtration Efficiency Testing

Vibration Testing

Mass Air Flow Sensor Information & Testing

K&N Published Estimated Horsepower Gains and K&N Dynamometer Test Results

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