{"product_id":"k-n-unique-air-filter-replacement-element-for-rk-3931","title":"K\u0026N Unique Air Filter - Replacement Element for RK-3931","description":"\u003cp\u003eThe K\u0026amp;N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K\u0026amp;N RK Series air cleaner assemblies for Harley-Davidson® motorcycles. The air filter is covered by the famous K\u0026amp;N Million-Mile Limited Warranty.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement air filter for specific RK Series air cleaner assemblies.\u003c\/li\u003e\n\u003cli\u003eHigh air flow filter media provides exceptional filtration\u003c\/li\u003e\n\u003cli\u003eDesigned to boost horsepower and rate of acceleration\u003c\/li\u003e\n\u003cli\u003eMillion Mile Limited Warranty®\u003c\/li\u003e\n\u003cli\u003eWashable and reusable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":41167642886215,"sku":"KNNE-3975","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/5069\/3703\/files\/af1e3b4731da7a1c8075b625d3cfd5ff.jpg?v=1727617113","url":"https:\/\/raceonlyparts.com\/products\/k-n-unique-air-filter-replacement-element-for-rk-3931","provider":"Race Only Parts","version":"1.0","type":"link"}