{"product_id":"k-n-e-3988-custom-air-filter","title":"K\u0026 N E-3988 Custom Air Filter","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\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacement air filter for specific RK Series air cleaner assemblies\u003c\/li\u003e\n\u003cli\u003eDesigned to boost horsepower and rate of acceleration\u003c\/li\u003e\n\u003cli\u003eWashable and reusable\u003c\/li\u003e\n\u003cli\u003eHigh air flow filter media provides exceptional filtration\u003c\/li\u003e\n\u003cli\u003eMillion Mile Limited Warranty®\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Filter Material:\u003c\/strong\u003e Cotton Gauze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Filter Shape:\u003c\/strong\u003e Oval Tapered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Outside Length:\u003c\/strong\u003e 10 in (254 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Outside Width:\u003c\/strong\u003e 6 in (152 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanges:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Design:\u003c\/strong\u003e Flexible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.375 in (60 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Wire:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e High Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 9.313 in (237 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Filter Efficiency:\u003c\/strong\u003e Up To 99% Efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 Air Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Material:\u003c\/strong\u003e Paperboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Screened:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Style:\u003c\/strong\u003e Unique Air Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Outside Length:\u003c\/strong\u003e 8 in (203 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Outside Width:\u003c\/strong\u003e 5 in (127 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1,000,000 Miles\/10 Year\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.1 lb (0.5 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1,000,000 Miles\/10 Year warranty\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":44849314267271,"sku":"KNE-3988","price":99.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/E-3988.jpg?v=1788268782","url":"https:\/\/checkout.northernperformance.ca\/products\/k-n-e-3988-custom-air-filter","provider":"Northern Performance","version":"1.0","type":"link"}