{"product_id":"k-n-universal-air-filter-4-inch-flange-for-automotive-and-recreational-vehicles-model-ru-4550","title":"K\u0026N Universal Air Filter 4-inch Flange for Automotive and Recreational Vehicles – Model RU-4550","description":"K\u0026amp;N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K\u0026amp;N Universal air filter for your equipment. All 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 of an inch (1.5mm) to fit in-between sizes. K\u0026amp;N universal air filters are washable and reusable.\nRegardless of the angle or offset diameter of an air intake, there is probably a K\u0026amp;N Universal air filter for your equipment. K\u0026amp;N universal air filters are washable and reusable.\n\u003cul\u003e\n  \u003cli\u003eEASY INSTALLATION: K\u0026amp;N Air Filters are pre-oiled and ready to for use- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains\u003c\/li\u003e\n  \u003cli\u003eOne Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe K\u0026amp;N Universal Air Filter model RU-4550 is designed to enhance airflow and improve engine performance across a wide range of applications, including racing cars, motorcycles, generators, snowmobiles, and tractors. Constructed with durable, molded pliable rubber flanges, this filter provides vibration absorption and a secure fit, accommodating various angles and offset diameters. The flanges can be stretched up to 1\/16 inch (1.5mm) to ensure a snug fit on different equipment, making it a versatile choice for many types of air intake setups. This filter is washable and reusable, allowing for long-term use and cost savings over disposable options. Its design emphasizes ease of installation, as it is pre-oiled and ready to install right out of the box, providing a quick upgrade to boost engine performance and responsiveness. The product is backed by a one-year limited warranty, demonstrating K\u0026amp;N’s commitment to quality and customer satisfaction. It’s important to note that this filter is not CARB approved and requires acknowledgment of CARB regulations for certain applications. Suitable for models including BMW 525i, Honda Civic, Mini Cooper, and Mazda MX-5 Miata, this universal filter offers a reliable solution for both automotive enthusiasts and fleet operators seeking improved airflow and engine efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for a wide variety of applications including racing, motorcycles, generators, and tractors\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed with ultra-strong molded pliable rubber flanges for vibration absorption and secure attachment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStretchable flange design allows up to 1\/16 inch (1.5mm) expansion for a custom fit\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePre-oiled and ready for installation, providing quick performance upgrades\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eWashable and reusable for long-term use and cost efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by a one-year limited warranty for added peace of mind\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eUniversal fit suitable for various angles and offset diameters\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eNot CARB approved; requires acknowledgment of CARB regulations\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1999 Honda Civic CX\u003cbr\u003e\n1999 Honda Civic DX\u003cbr\u003e\n1999 Honda Civic EX\u003cbr\u003e\n1999 Honda Civic GX\u003cbr\u003e\n1999 Honda Civic HX\u003cbr\u003e\n1999 Honda Civic LX\u003cbr\u003e\n1999 Honda Civic Si\u003cbr\u003e\n1999 Honda Civic Value Package\u003cbr\u003e\n2000 Honda Civic CX\u003cbr\u003e\n2000 Honda Civic DX\u003cbr\u003e\n2000 Honda Civic EX\u003cbr\u003e\n2000 Honda Civic GX\u003cbr\u003e\n2000 Honda Civic HX\u003cbr\u003e\n2000 Honda Civic LX\u003cbr\u003e\n2000 Honda Civic Si\u003cbr\u003e\n2001 BMW 525i Base\u003cbr\u003e\n2002 BMW 525i Base\u003cbr\u003e\n2002 Mini Cooper S\u003cbr\u003e\n2004 Volkswagen Golf GTI VR6\u003cbr\u003e\n2009 Mazda MX-5 Miata Grand Touring\u003cbr\u003e\n2009 Mazda MX-5 Miata Sport\u003cbr\u003e\n2009 Mazda MX-5 Miata SV\u003cbr\u003e\n2009 Mazda MX-5 Miata Touring\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":53605569495313,"sku":"RU-4550","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/3522f64fe0f6d5d3773cd1a63530fb6e.jpg?v=1779993394","url":"https:\/\/shoprenegade.com\/products\/k-n-universal-air-filter-4-inch-flange-for-automotive-and-recreational-vehicles-model-ru-4550","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}