{"product_id":"polini-racing-air-filter-w-cover-universal-1300-1138","title":"Polini 45mm Racing Air Filter w\/ Intake Cover","description":"\u003cp\u003eUnlock maximum unrestricted airflow and razor-sharp throttle response with the race-bred \u003cstrong\u003ePolini 45mm Performance Air Filter Assembly\u003c\/strong\u003e. Engineered in Italy, this high-porosity expanded foam element flows significantly more air volume than restrictive factory airboxes, allowing your engine to extract maximum peak horsepower. Equipped with a removable, impact-resistant plastic splash shroud, this kit blocks out harmful tire-flung road spray, dust, and moisture—ensuring consistent, dry airflow whether you are battling track conditions or logging daily urban commutes.\u003c\/p\u003e\u003ch3\u003eAdvanced Induction Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Foam Element:\u003c\/strong\u003e Maximum filtration with minimal air resistance for improved throttle response and top-end power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Splash Cover:\u003c\/strong\u003e Black impact-resistant plastic shield protects against water and road grime — ideal for daily street use. Keep it on in wet conditions to prevent waterlogging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e45mm Universal Flange:\u003c\/strong\u003e Fits performance carburetors, including the Polini CP, Dell'Orto PHBG, OKO, and similar 45mm intake bells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Washable \u0026amp; Reusable:\u003c\/strong\u003e Clean the foam element regularly for a lifetime of performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItalian Engineering:\u003c\/strong\u003e Authentic Polini craftsmanship, proven on the racetrack and refined for street use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Carburetor Compatibility Index\u003c\/h3\u003e\u003cp\u003eThis filter features a \u003cstrong\u003e45mm (~1.75\") internal mounting diameter\u003c\/strong\u003e. It is designed to clamp directly onto performance carburetors utilizing a 45mm outer diameter (OD) intake bell. Review common tuning match-ups below:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eCarburetor Family\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eIntake Bell Fitment Size\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Engine Platform Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePolini CP Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits 17.5mm, 19mm, 21mm, and 23mm variants\u003c\/td\u003e\n\u003ctd\u003eMinarelli \/ Jog 50, Genuine Buddy, Vespa 2T tuning builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDell'Orto PHBG\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect match for 45mm threaded or smooth bells\u003c\/td\u003e\n\u003ctd\u003eHigh-RPM European 2-stroke performance configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOKO \/ PWK (Small Body)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits 21mm through 28mm small-body slide variants\u003c\/td\u003e\n\u003ctd\u003eUpgraded GY6 50cc, 139QMB, and 2-stroke stroker blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGY6 Large Performance Carbs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits select 30mm+ performance slide upgrade layouts\u003c\/td\u003e\n\u003ctd\u003eBig-bore GY6 125cc \/ 150cc scooter and buggy platforms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp style=\"color: #b30000; font-weight: bold;\"\u003e \u003c\/p\u003e\u003cp style=\"color: #b30000; font-weight: bold;\"\u003eCRITICAL TUNING REQUIREMENT: Increasing your engine's airflow demands a corresponding increase in fuel delivery. When ditching your restrictive factory airbox for this high-flow racing filter, you MUST up-jet your carburetor's main jet to prevent running dangerously lean, which can cause severe overheating or immediate top-end piston seizure.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Flange Connection Diameter:\u003c\/strong\u003e 45mm (~1.75 Inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Style:\u003c\/strong\u003e Straight neck with included heavy-duty steel worm-gear clamp\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Material:\u003c\/strong\u003e High-performance open-cell polyurethane foam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShroud Material:\u003c\/strong\u003e Impact-resistant high-gloss black structural plastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number (MPN):\u003c\/strong\u003e 203.0097 (2030097)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Italy (IT)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003ePerformance Maintenance Tip:\u003c\/strong\u003e  For maximum engine protection, thoroughly coat the foam element with a dedicated high-tack foam air filter oil before your first ride. Squeeze out any excess oil—never wring or twist the element, as this can tear the foam cell structure. \u003c\/blockquote\u003e\u003cul\u003e\u003c\/ul\u003e\u003ch3\u003eAbout Polini\u003c\/h3\u003e\u003cp\u003ePolini Motori has been at the forefront of Italian performance engineering since 1945. Every Polini component is developed through rigorous motorsport testing before being made available for street and track use — delivering race-proven performance you can trust.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eNotice: This product is intended for off-road\/competition use.  Not intended for use on public roads or land.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1300-1138 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Polini \u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Fuel System \u0026amp; Exhaust \/ Air Filters\u003c\/p\u003e","brand":"Polini","offers":[{"title":"Default Title","offer_id":46760747041048,"sku":"1300-1138","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1300-1138_a_c14b85f2-8be2-479b-aec9-871a36103ec2.jpg?v=1777565513","url":"https:\/\/www.scooterworks.com\/products\/polini-racing-air-filter-w-cover-universal-1300-1138","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}