{"product_id":"k-n-round-tapered-universal-air-filter-3-5in-flange-id-5-75in-base-od-3-75in-top-od-6in-h","title":"K\u0026N Round Tapered Universal Air Filter 3.5in Flange ID \/ 5.75in Base OD \/ 3.75in Top OD \/ 6in H","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eRF-1031\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844044440\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N Round Tapered Universal Air Filter 3.5in Flange ID \/ 5.75in Base OD \/ 3.75in Top OD \/ 6in H RF-1031\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eK\u0026amp;N RF-1031 is a round tapered universal clamp-on air filter designed for racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes. Flexible rubber flange stretches up to 1\/16 inch for secure fit on 3.5 inch inside diameter tubes. Pre-oiled cotton gauze media delivers high airflow for better horsepower acceleration and engine performance while trapping dirt.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 Layers of Protection:\u003c\/strong\u003e Premium cotton gauze with tacking agent forms mesh to trap contaminants and protect engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Every 5 Years:\u003c\/strong\u003e Washable filter needs service every 75000 miles under highway conditions based on 15000 miles per year average.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Pre-oiled and ready to clamp on for quick performance upgrade without tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered Power:\u003c\/strong\u003e High-flow media increases airflow for gains in horsepower and throttle response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Construction:\u003c\/strong\u003e Durable materials and molded flanges absorb vibration built to last lifetime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlanges handle vibration and stretch for precise fit on in-between sizes.\u003c\/li\u003e\n\u003cli\u003eWash with K\u0026amp;N cleaner and re-oil for repeated use.\u003c\/li\u003e\n\u003cli\u003ePackaged in protective box for safe delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eClamp-on design fits 3.5in ID intake tubes centered flange.\u003c\/li\u003e\n\u003cli\u003eNo additional hardware needed rubber top seals securely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eRacing Vehicles Generators Tractors Snowmobiles RC Cars\u003c\/td\u003e\n\u003ctd\u003eCustom Intakes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose K\u0026amp;N?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven leader in washable high-flow air filters since 1969.\u003c\/li\u003e\n\u003cli\u003eFour-layer cotton design traps more dirt than paper filters.\u003c\/li\u003e\n\u003cli\u003eEngineered for maximum airflow in universal applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Does RF-1031 fit custom air intakes?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits 3.5in ID tubes with 5.75in base 3.75in top 6in height tapered shape for various angles offsets.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used in the filter media?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Multiple layers of premium cotton gauze treated for dirt trapping and high airflow.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers this filter?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e 1-Year Limited Warranty against defects in materials workmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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 Cardboard box 8.25in L x 8.13in W x 7.5in H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.9 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":40094240571471,"sku":"KNNRF-1031","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-round-tapered-universal-air-filter-3_5in-flange-id-5_75in-base-od-3_75in-top-od-6in-h-kn-engineering.jpg?v=1766994165","url":"https:\/\/www.blackopsautoworks.com\/products\/k-n-round-tapered-universal-air-filter-3-5in-flange-id-5-75in-base-od-3-75in-top-od-6in-h","provider":"Black Ops Auto Works","version":"1.0","type":"link"}