{"product_id":"k-n-custom-racing-air-filter-rectangular-carbon-fiber-4in-air-box-w-2-75in-air-horn","title":"K\u0026N Carbon Racing Air Box","description":"\u003cp\u003eEnhance your race car’s performance with these cutting-edge Generation 2 Carbon Fiber Air Boxes from K\u0026amp;N. Designed specifically for racers upgrading from traditional multi-Siamese stacks, these air filters combine ultra-lightweight durability with advanced engineering to maximize airflow and overall vehicle response. Whether you’re installing a K\u0026amp;N custom racing air filter, a 4in air box, or even a rectangular air filter, this product delivers the competitive performance edge you need.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cp\u003e• Ultra-Lightweight Carbon Fiber Construction – Utilizing innovative materials, this carbon fiber air filter reduces excess weight for improved acceleration without compromising durability.\u003cbr\u003e• Enhanced Airflow – The optimized design ensures maximum engine ventilation, leading to increased performance and efficiency even in high-speed conditions.\u003cbr\u003e• Integrated Air Horn Sealing – Enjoy secure, easy installation with built-in air horn seals that ensure a tight fit and superior performance as an air filter with air horn technology.\u003cbr\u003e• Washable \u0026amp; Reusable – Easily service your filter using K\u0026amp;N cleaner and oil, making maintenance both simple and cost-effective.\u003c\/p\u003e\u003ch3\u003eTechnical Specs \u0026amp; Installation\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eDimensions: Approximately a 4in air box height, balanced for optimal fit in racing vehicles.\u003c\/li\u003e\n\u003cli\u003eFitment: Medium size for most high-performance applications; note, no base is included.\u003c\/li\u003e\n\u003cli\u003eInstallation Step-by-Step:\u003cbr\u003ea. Remove the existing traditional multi-Siamese stack.\u003cbr\u003eb. Securely position the carbon fiber air box in your engine bay.\u003cbr\u003ec. Seal it using the integrated air horn technology for a fast, leak-free fit.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eBacked by K\u0026amp;N’s over 35-year reputation for excellence, this carbon fiber air filter not only enhances performance but is also engineered for easy maintenance. Discover more exceptional products in our \u003ca href=\"https:\/\/www.everythingtruckparts.com\/collections\/filters\"\u003eFilters\u003c\/a\u003e and \u003ca href=\"https:\/\/www.everythingtruckparts.com\/collections\/k-n-engineering\"\u003eK\u0026amp;N Engineering\u003c\/a\u003e collections to further elevate your racing experience.\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":43495441203381,"sku":"KNN100-8593","price":944.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2061\/9335\/products\/ab9e3b97c0f8b6b7037bd01955e75c08.jpg?v=1705262092","url":"https:\/\/www.everythingtruckparts.com\/products\/k-n-custom-racing-air-filter-rectangular-carbon-fiber-4in-air-box-w-2-75in-air-horn","provider":"Everything Truck Parts","version":"1.0","type":"link"}