{"product_id":"k-n-round-air-filter-e-3978xd","title":"K\u0026N Round Air Filter E-3978XD – High-Flow Replacement","description":"\u003cp\u003eA reusable high-flow air filter element designed to increase induction efficiency and reduce intake restriction. K\u0026amp;N's washable cotton-gauze media delivers sustained airflow gains over the engine's service life.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWashable and reusable cotton-gauze filter media – service life of up to 100,000 miles between cleaning cycles\u003c\/li\u003e\n\u003cli\u003eRound canister design suits universal mounting applications and custom induction builds\u003c\/li\u003e\n\u003cli\u003eIncreased surface area engineered to flow more air than standard OEM paper filters\u003c\/li\u003e\n\u003cli\u003eDirect bolt-in fitment when matched to compatible intake manifolds and airbox configurations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56622035698044,"sku":"E-3978XD","price":130.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/E-3978XD.jpg?v=1775907886","url":"https:\/\/fdracing.co.uk\/products\/k-n-round-air-filter-e-3978xd","provider":"FD Racing","version":"1.0","type":"link"}