{"product_id":"k-n-universal-clamp-on-air-filter-2-25in-flange-id-3-5in-od-2in-height","title":"K\u0026N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eRU-1900\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844396488\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eK\u0026amp;N RU-1900 universal clamp-on air filter fits racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes with 2.25 inch flange ID. This high-flow filter delivers more air to the engine for better horsepower and acceleration while providing excellent filtration. Constructed with 4-ply cotton gauze and molded rubber flanges that stretch up to 1\/16 inch for precise fit.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable and Reusable:\u003c\/strong\u003e Clean and reinstall multiple times with K\u0026amp;N cleaning kit for long-term use without replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower and Acceleration Gains:\u003c\/strong\u003e Increased airflow design pulls in more air to improve engine performance across RPM range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Airflow with Filtration:\u003c\/strong\u003e Four layers of cotton gauze trap dirt while allowing 50 percent more air than paper filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMalleable Flanges:\u003c\/strong\u003e Ultra-strong rubber flanges absorb vibration stretch 1.5mm and secure to 2.25 inch ID intakes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Sizing:\u003c\/strong\u003e One of hundreds of K\u0026amp;N universal shapes for any angle offset or diameter application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eFlange length 0.75 inch centered design suits most clamp-on setups\u003c\/li\u003e\n\u003cli\u003eOil-free cleaning recommended every 50,000 miles or annually for dirt-heavy use\u003c\/li\u003e\n\u003cli\u003eWeight 0.4 lb compact 3.5 x 3.5 x 2 inch size ships easily\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 directly to 2.25 inch ID intake pipe using hose clamp not included\u003c\/li\u003e\n\u003cli\u003eFlanges compatible with standard worm-gear clamps up to 3.5 inch OD\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\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRacing Vehicles\u003c\/td\u003e\n\u003ctd\u003eCustom Intakes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eGenerators\u003c\/td\u003e\n\u003ctd\u003eSnowmobiles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eTractors\u003c\/td\u003e\n\u003ctd\u003eATVs\/UTVs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRadio-Controlled\u003c\/td\u003e\n\u003ctd\u003eCars\/Off-Road\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\u003eDecades of engineering high-performance filtration for motorsports and powersports\u003c\/li\u003e\n\u003cli\u003eProven cotton gauze media used by millions of engines worldwide\u003c\/li\u003e\n\u003cli\u003ePrecision-molded components ensure vibration resistance and secure seal\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 Will this fit my custom 2.25 inch intake?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes flanges fit 2.25 inch ID exactly and stretch up to 1\/16 inch for slight variations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material filters the air?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Four layers of oiled cotton gauze provide high-flow filtration down to 5 microns\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty coverage?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e One year limited warranty against defects in materials or 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 or USPS Priority\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 4 x 4 x 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.4 lb\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default Title","offer_id":41045940830287,"sku":"KNNRU-1900","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/kn-universal-clamp-on-air-filter-2_25in-flange-id-3_5in-od-2in-height-kn-engineering.jpg?v=1766999956","url":"https:\/\/www.blackopsautoworks.com\/products\/k-n-universal-clamp-on-air-filter-2-25in-flange-id-3-5in-od-2in-height","provider":"Black Ops Auto Works","version":"1.0","type":"link"}