{"product_id":"k-n-custom-air-filter","title":"Custom Air Filter","description":"K\u0026amp;N Custom Air Filters can increase horsepower up to 12%. They are available in a wide range of sizes, designs and shapes for virtually every application. K\u0026amp;N Custom Clamp On Air Filters are usually not used with OEM air boxes because of their larger than OEM size. They allow considerably more air flow than a stock air box set-up. Generally up to 25% increase in jet sizes will be required because of K\u0026amp;N filters increased air flow. K\u0026amp;N Clamp on Filters are not street legal.","brand":"K\u0026N","offers":[{"title":"AIR FILTER (RU-0210)","offer_id":50489740525611,"sku":"RU-0210","price":66.99,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (R-1100)","offer_id":50489740558379,"sku":"R-1100","price":66.99,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (RU-1780)","offer_id":50489740591147,"sku":"RU-1780","price":80.95,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (RU-1820)","offer_id":50489740623915,"sku":"RU-1820","price":72.99,"currency_code":"USD","in_stock":false},{"title":"AIR FILTER (RU-2922)","offer_id":50489740656683,"sku":"RU-2922","price":187.99,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (RC-0982)","offer_id":50489740689451,"sku":"RC-0982","price":159.99,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (RC-0984)","offer_id":50489740722219,"sku":"RC-0984","price":265.99,"currency_code":"USD","in_stock":false},{"title":"AIR FILTER (RC-1824)","offer_id":50489740754987,"sku":"RC-1824","price":268.95,"currency_code":"USD","in_stock":true},{"title":"AIR FILTER (RC-2454)","offer_id":50489740787755,"sku":"RC-2454","price":265.99,"currency_code":"USD","in_stock":false},{"title":"AIR FILTER (RC-2540)","offer_id":50489740820523,"sku":"RC-2540","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0017\/9568\/6464\/files\/fd50-572a8af0f34c0.jpg?v=1792114266","url":"https:\/\/evolution-motorcycles.com\/products\/k-n-custom-air-filter","provider":"Evolution Motorcycles","version":"1.0","type":"link"}