{"product_id":"k-n-engineering-universal-custom-air-filter-tapered-conical-170mm-base-od-x-60mm-top-od-x-124mm-height-for-mini-cooper-2002-2009","title":"K\u0026N Engineering - Universal Custom Air Filter Tapered Conical - RC-5052","description":"\u003cp\u003eThe K\u0026amp;N RC-5052 is a high-performance universal tapered conical air filter engineered for superior airflow, filtration, and durability across a wide range of applications. Ideal for racing vehicles, generators, snowmobiles, tractors, and even radio-controlled cars, this filter delivers proven K\u0026amp;N quality and performance in a compact, versatile form.\u003c\/p\u003e\n\u003cp\u003eBuilt with ultra-strong molded pliable rubber flanges, the RC-5052 absorbs vibration for a secure, reliable seal. The flexible flange design allows for slight size adjustments—up to 1\/16 inch (1.5 mm)—ensuring a snug fit on various intake setups. Its tapered cone shape with a 170mm base outer diameter and 60mm top outer diameter maximizes airflow while maintaining excellent filtration efficiency.\u003c\/p\u003e\n\u003cp\u003eDesigned for longevity, this washable and reusable air filter provides lasting performance and value. It’s compatible with a wide range of angles, offsets, and custom intake configurations, making it a popular choice for enthusiasts and builders seeking dependable, high-flow filtration for both street and performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e* Universal tapered conical design – fits a wide variety of vehicles and equipment\u003cbr\u003e* Constructed with durable molded pliable rubber flanges for vibration absorption and secure fit\u003cbr\u003e* Flexible fitment – accommodates up to 1\/16\" (1.5mm) variation in diameter \u003cbr\u003e* Washable and reusable for long-term use and value \u003cbr\u003e* Optimized for airflow and filtration – supports both stock and custom intake systems\u003cbr\u003e* CARB acknowledgment required – compliant use in emissions-regulated areas\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Filter Shape: \u003c\/strong\u003eTapered Conical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight: \u003c\/strong\u003e5.25 in (133 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Contents: \u003c\/strong\u003e1 Air Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity: \u003c\/strong\u003e1\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWashable Yes\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Filter Material: \u003c\/strong\u003eCotton Gauze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Style: \u003c\/strong\u003eUnique Air Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlanges: \u003c\/strong\u003eNone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Outside Diameter: \u003c\/strong\u003e6.625 in (168 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Inside Diameter: \u003c\/strong\u003e4 in (102 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop Outside Diameter: \u003c\/strong\u003e2.375 in (60 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight: \u003c\/strong\u003e1.1 lb (0.5 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Re-Oiling Amount: \u003c\/strong\u003e0.55 oz (16 ml)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFilter Line High-Flow\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Filter Efficiency: \u003c\/strong\u003eUp To 99% Efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":45638273335495,"sku":"knnRC-5052","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/2277\/5751\/files\/3f713a7d9c2ab4084188333b9705f076.jpg?v=1760551913","url":"https:\/\/mainstreeteshop.com\/products\/k-n-engineering-universal-custom-air-filter-tapered-conical-170mm-base-od-x-60mm-top-od-x-124mm-height-for-mini-cooper-2002-2009","provider":"MAIN STREET ESHOP","version":"1.0","type":"link"}