{"product_id":"k-n-universal-clamp-on-air-filter","title":"K\u0026N Universal Clamp-On Air Filter","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e RU-5321 \/ \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844421609\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N Universal Clamp-On Air Filter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eK\u0026amp;N RU-5321 universal clamp-on air filter fits racing vehicles radio-controlled cars generators snowmobiles tractors and more. Molded rubber flanges secure to 4-inch intakes absorb vibration and stretch up to 1\/16 inch for exact fit. Washable reusable design delivers high airflow for engine performance.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Cotton Gauze:\u003c\/strong\u003e – Multi-layer oiled media traps dirt while allowing maximum air intake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePliable Rubber Flanges:\u003c\/strong\u003e – Ultra-strong molded construction absorbs vibration for secure clamp-on attachment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStretchable Fit:\u003c\/strong\u003e – Flanges expand up to 1\/16 inch (1.5 mm) to match in-between intake sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable Reusable:\u003c\/strong\u003e – Clean with K\u0026amp;N kit and reuse for years of service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Design:\u003c\/strong\u003e – Matches various intake angles offsets and equipment types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Made:\u003c\/strong\u003e – Built to exacting standards for durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eK\u0026amp;N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRound Tapered Clamp-On Air Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eUniversal racing vehicles RC cars generators snowmobiles tractors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Inside Diameter\u003c\/td\u003e\n\u003ctd\u003e4 in (102 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Length\u003c\/td\u003e\n\u003ctd\u003e1.25 in (32 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Outside Diameter\u003c\/td\u003e\n\u003ctd\u003e6.5 in (165 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Height\u003c\/td\u003e\n\u003ctd\u003e6 in (152 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.6 lb (0.7 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eMillion Mile Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eK\u0026amp;N RU-5321 Universal Clamp-On Air Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCentered flange for straightforward clamp-on installation\u003c\/li\u003e\n\u003cli\u003eHandles vibration in high-performance off-road and motorsport use\u003c\/li\u003e\n\u003cli\u003eSuits custom intakes and non-standard equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRacing Vehicles\u003c\/td\u003e\n\u003ctd\u003e4 in intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eGenerators Snowmobiles Tractors\u003c\/td\u003e\n\u003ctd\u003e4 in intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRC Cars Other Equipment\u003c\/td\u003e\n\u003ctd\u003e4 in intake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose K\u0026amp;N?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHigh airflow supports power gains across applications\u003c\/li\u003e\n\u003cli\u003eReusable design cuts long-term replacement costs\u003c\/li\u003e\n\u003cli\u003eProven in motorsports and industrial use\u003c\/li\u003e\n\u003cli\u003eMillion mile warranty covers extensive service\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is the RU-5321 washable?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes wash with K\u0026amp;N Recharger kit and re-oil for reuse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What intake size does it require?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Fits 4-inch inside diameter centered flange intakes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can it handle vibration?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Rubber flanges absorb vibration for reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock – ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective box 8.25 x 8.13 x 7.75 in (210 x 206 x 197 mm)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":45213739122767,"sku":"KNNRU-5321","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-universal-clamp-on-air-filter-kn-engineering.jpg?v=1778738924","url":"https:\/\/www.blackopsautoworks.com\/products\/k-n-universal-clamp-on-air-filter","provider":"Black Ops Auto Works","version":"1.0","type":"link"}