{"product_id":"k-n-replacement-air-filter-ha-3521","title":"K\u0026N Replacement Air Filter HA-3521","description":"\u003cp\u003eA high-flow replacement air filter engineered to increase airflow to your engine whilst maintaining effective filtration. Washable and reusable design extends service life and reduces long-term costs compared to disposable paper filters.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWashable cotton gauze media element - cleanable and reusable for multiple service cycles\u003c\/li\u003e\n\u003cli\u003eDesigned for direct OEM-spec replacement fitment without modification required\u003c\/li\u003e\n\u003cli\u003eRed silicone seal ensures airtight fit and prevents unfiltered air bypass\u003c\/li\u003e\n\u003cli\u003eIncreased airflow capacity improves combustion efficiency and engine responsiveness\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":56622097727868,"sku":"HA-3521","price":82.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/9208\/4867\/files\/HA-3521.jpg?v=1775908325","url":"https:\/\/fdracing.co.uk\/products\/k-n-replacement-air-filter-ha-3521","provider":"FD Racing","version":"1.0","type":"link"}