{"product_id":"k-and-n-high-flow-air-filter-hd-0818-replacement-720818","title":"K\u0026N High Flow Air Filter - HD-0818 Replacement — Harley-Davidson Softail Slim S, Road King, Road King Classic (2008-2017)","description":"\u003cp\u003eK\u0026amp;N HD-0818 high-flow air filter for V-twin motorcycles, featuring pleated cotton-gauze media that increases airflow while maintaining excellent filtration. Washable and reusable design with application-specific sealing ensures direct fit into the OEM airbox without fuel management modifications.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePleated cotton-gauze media for increased filtration surface area\u003c\/li\u003e\n  \u003cli\u003eWashable and reusable — pre-oiled and ready to install\u003c\/li\u003e\n  \u003cli\u003eDirect OEM airbox fit with application-specific sealing bead\u003c\/li\u003e\n  \u003cli\u003eMulti-layer woven cotton construction\u003c\/li\u003e\n  \u003cli\u003eLong service intervals between cleanings\u003c\/li\u003e\n  \u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e K\u0026amp;N\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e HD-0818\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 024844200549\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 6.31 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 6.56 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 3.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.8 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits V-twin motorcycles. Check your application with K\u0026amp;N's fitment chart to confirm the exact make and model compatibility before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eDo I need to retune my fuel management with this filter?\u003c\/h3\u003e\n\u003cp\u003eNo — K\u0026amp;N designed this filter to deliver increased airflow without requiring fuel mapping changes in most stock applications.\u003c\/p\u003e\n\u003ch3\u003eHow often should I clean and re-oil it?\u003c\/h3\u003e\n\u003cp\u003eInspect at each oil change. Clean and re-oil when visibly dirty using K\u0026amp;N's filter service kit — typically every 50,000 miles in normal riding.\u003c\/p\u003e\n\u003ch3\u003eDoes it come pre-oiled and ready to install?\u003c\/h3\u003e\n\u003cp\u003eYes — the filter ships pre-oiled and ready to install straight out of the box.\u003c\/p\u003e\n\u003ch3\u003eWill this fit my specific motorcycle model?\u003c\/h3\u003e\n\u003cp\u003eThis part fits V-twin motorcycles, but airbox designs vary. Verify your exact year and model against K\u0026amp;N's fitment guide before ordering.\u003c\/p\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":53035346002031,"sku":"720818","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_0b6446cc-a8ed-4a64-bad5-31ff516dc6ef.png?v=1779561176","url":"https:\/\/vtwinbikers.com\/products\/k-and-n-high-flow-air-filter-hd-0818-replacement-720818","provider":"Vtwinbikers","version":"1.0","type":"link"}