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http://www.knfilters.com

For over 50 years, K&N® has been an global industry-leader in air filtration and automotive performance. In addition to performance air filters, K&N® manufactures a variety of other protection and automotive products, including: intake systems, oil/cabin/fuel filters, car care, fuel additives, motor oil, and more.We also have washable air filters for the home and data centers. Providing a sustainable & efficient way to improve air quality, while reducing waste.