{"product_id":"k-n-engineering-rx-4140","title":"K\u0026N Engineering K\u0026N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID\/4in OD\/5.969in H","description":"\u003cp\u003eK\u0026amp;N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K\u0026amp;N delivers. All K\u0026amp;N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1\/16 inch (1.5mm) to fit in-between sizes. K\u0026amp;N universal air filters are washable and reusable.\u003c\/p\u003e\u003cp\u003eGenuine K\u0026amp;N Engineering. Part number RX-4140.\u003c\/p\u003e\u003cp\u003eImported to order from our US supply partner — allow 7-14 days delivery.\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":62164036583811,"sku":"RX-4140","price":168.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1018\/6506\/2787\/files\/4bae37564d6fdc0be4cbbe21b5d7dae0.jpg?v=1785035946","url":"https:\/\/www.mlperformance.co.uk\/products\/k-n-engineering-rx-4140","provider":"ML Performance","version":"1.0","type":"link"}