{"product_id":"k-n-hi-flow-air-filter-conversion-kits-733811","title":"K\u0026N Hi-Flow Air Filter Conversion Kits","description":"\u003cp\u003eK\u0026amp;N's claims you get more horsepower from your Twin Cam engine when this extra large \"RK series\" filter is fitted. Built around the legendary K\u0026amp;N High-Flow Air Filter, the new RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover, yet boasts superior filtration and performance with a K\u0026amp;N stamped laser etched beauty ring. All models feature internal breathers to replace the external OEM breather set-up. Available for all Twin Cam 1999-2017 and XL Sportster 2004 to present.\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"RK series Xtra Large Airfilter assembly","offer_id":59221276787062,"sku":"ZOD-733811","price":212.98,"currency_code":"EUR","in_stock":true},{"title":"Fits 2008 thru 2013 Touring, Complete kit","offer_id":59221276819830,"sku":"ZOD-733812","price":232.4,"currency_code":"EUR","in_stock":true},{"title":"Fits 2004 to present XL Sportster, Replacement filter element only","offer_id":59221276852598,"sku":"ZOD-733828","price":102.04,"currency_code":"EUR","in_stock":true},{"title":"Fits 2013-2017 Softail, Complete kit","offer_id":59221276885366,"sku":"ZOD-733844","price":177.47,"currency_code":"EUR","in_stock":true},{"title":"Fits 2013-2017 Softail, Replacement filter element only","offer_id":59221276918134,"sku":"ZOD-733845","price":88.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/6298\/9430\/files\/standard-rgba_3045e97c-1c83-4a5d-b456-a06c3bf2d9c4.png?v=1793557541","url":"https:\/\/www.blue-bull.nl\/products\/k-n-hi-flow-air-filter-conversion-kits-733811","provider":"Blue Bull","version":"1.0","type":"link"}