{"product_id":"k-n-replacement-air-filter-ya-4000","title":"K\u0026N Replacement Air Filter YA-4000","description":"\u003cp\u003eA high-efficiency reusable air filter engineered for extended service intervals and proven airflow gains. Washable cotton gauze media meets OEM dust protection standards whilst reducing long-term consumable costs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReusable cotton gauze media rated for 100,000 miles between cleaning cycles\u003c\/li\u003e\n\u003cli\u003eISO 5011 dust-holding certification ensures OEM-level engine protection\u003c\/li\u003e\n\u003cli\u003eDirect OEM-spec fitment – no airbox modification or bracket adapter required\u003c\/li\u003e\n\u003cli\u003eDelivers up to 50% airflow increase compared to factory paper filter specification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56628679836028,"sku":"YA-4000","price":67.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/YA-4000.jpg?v=1776075886","url":"https:\/\/fdracing.co.uk\/products\/k-n-replacement-air-filter-ya-4000","provider":"FD Racing","version":"1.0","type":"link"}