{"product_id":"k-n-replacement-air-filter-ya-4001","title":"K\u0026N Replacement Air Filter YA-4001","description":"\u003cp\u003eA premium reusable air filter combining extended service life with measurable induction improvements. Cotton gauze construction meets strict dust ingestion standards whilst cutting long-term filter replacement costs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOil-treated cotton gauze media meets ISO 5011 dust-holding certification standard\u003c\/li\u003e\n\u003cli\u003eRated for 100,000 miles between cleaning and re-oiling maintenance cycles\u003c\/li\u003e\n\u003cli\u003eDirect OEM replacement – installs into standard airbox without modification\u003c\/li\u003e\n\u003cli\u003eUp to 50% airflow increase versus factory paper filter specification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56628680065404,"sku":"YA-4001","price":83.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/YA-4001.jpg?v=1776075890","url":"https:\/\/fdracing.co.uk\/products\/k-n-replacement-air-filter-ya-4001","provider":"FD Racing","version":"1.0","type":"link"}