The ability of an air filter to protect your engine is generally measured using a testing procedure developed by the Society of Automotive Engineers identified as the SAE J726 procedure. We design K&N air filters to provide superior filtration of the contaminants that can harm your engine while maximizing the airflow characteristics of the filter in question. They are seeking the additional horsepower and throttle response needed to win the race.
K and n professional#
That is why so many professional racers are willing to run expensive vehicles with no air filter, as opposed to installing a disposable air filter. In the vast majority of cases increased airflow will increase engine performance measured by horsepower and throttle response (torque). The performance benefits of maximum airflow are clear, compelling and well documented.
We believe the primary function of an air filter is to deliver both high airflow and superior dirt protection. We design K&N air filters to provide minimum restriction allowing high airflow into an engine.
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