{"product_id":"scooterworks-racing-air-filter-38mm-45-degree-angle-1300-1112","title":"RDLN Racing Air Filter 38mm | 50cc - 80cc Performance","description":"\u003cp\u003eBoost horsepower, sharpen throttle response, and deliver an aggressive intake growl to your small-displacement powerplant with the premium \u003cstrong\u003eRDLN 38mm 45-Degree Racing Air Filter Assembly\u003c\/strong\u003e. Engineered as a high-flow performance upgrade for carbureted 50cc 2-stroke and 4-stroke scooters, this open-element intake replaces your restrictive factory plastic air box with a high-CFM pleated filtration matrix. Maximizing the volume of clean oxygen entering your carburetor eliminates intake bottlenecks to optimize fuel vaporization and unlock noticeable mid-to-top-end acceleration.\u003c\/p\u003e\u003ch3\u003eAdvanced Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e45-Degree Aggressive Elbow:\u003c\/strong\u003e Angled rubber mounting neck provides necessary clearance around tight rear shock mounts and frame gussets native to small scooter chassis layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Weather Protection Cover:\u003c\/strong\u003e Comes equipped with a removable rain shield cap to prevent moisture saturation and road spray from choking your intake during wet-weather riding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Pleated Filtration Element:\u003c\/strong\u003e Maximizes surface area to trap destructive fine airborne debris while significantly reducing intake restriction compared to stock foam or paper filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Clamp-On Base:\u003c\/strong\u003e Features a reinforced rubber mounting collar and an adjustable worm-gear hose clamp for an airtight, vibration-proof seal directly onto your carburetor inlet mouth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive 50cc Vehicle \u0026amp; Engine Fitment Index\u003c\/h3\u003e\u003cp\u003eThis racing filter features a \u003cstrong\u003e38mm internal diameter mounting collar\u003c\/strong\u003e (stretches to fit 38mm–39mm intake bells). It is specifically built for the following US-market 50cc carbureted scooters:\u003c\/p\u003e\u003ch4\u003e1. 50cc 4-Stroke (4T) Carbureted Scooter Layouts\u003c\/h4\u003e\u003cp\u003eDirect fitment for standard 18mm\/18.5mm CVK-style carburetors (such as the ubiquitous PD18J) found on liquid-cooled Japanese models and air-cooled imports:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Platform \/ Category\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePopular US-Distributed 50cc 4T Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePremium Japanese \u0026amp; Taiwanese\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda Ruckus 50 (NPS50), Honda Metropolitan 50 (CHF50, Carbureted Years), KYMCO Agility 50, KYMCO Super 8 50 4T, SYM Mio 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGY6 50cc Ecosystem (139QMB \/ 139QMA)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTaoTao (ATM50-A1, Pony), Wolf Brand Scooters (RX-50, Islander), IceBear, Bintelli, Chicago Scooter Company (Go.), Lance, Peace Sports, Roketa, Jonway, Vitacci, X-Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003e\u003c\/h4\u003e\u003ch4\u003e2. 50cc 2-Stroke (2T) Carbureted Scooter Layouts\u003c\/h4\u003e\u003cp\u003eThe perfect open-pod replacement size for 50cc sport-tuned 2-strokes, factory high-output models, or any 2-stroke machine upgraded with an aftermarket 17.5mm to 19mm carburetor configuration (or 70cc Big Bore Kits):\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eEngine Family \/ Style\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003ePopular US-Distributed 50cc 2T Models\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinarelli Base (1E40QMB Layouts)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGenuine Buddy 50, Genuine RoughHouse 50, E-Ton Beamer 50 \/ Beamer II \/ Matrix 50, Keeway Hurricane 50 \/ Matrix 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHonda \"Dio\" Vertical Clone Layouts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHonda Elite 50 (SR \/ S models 1994–2001), Kymco ZX 50 (ZX34\/ZX35), SYM DD50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eJapanese Sport Classics (With Pod Upgrades)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha Zuma 50 (Pre-2012 \"Bug-eye\" models), Yamaha Vino 50 (2-Stroke)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp style=\"color: #0066cc; font-weight: bold;\"\u003e \u003c\/p\u003e\u003cp style=\"color: #0066cc; font-weight: bold;\"\u003eFITMENT WARNING FOR GY6 125cc \/ 150cc OWNERS: This 38mm intake generally WILL NOT fit stock 125cc or 150cc carburetors (which require a larger 42mm–43mm intake boot). Please measure your outer carburetor throat diameter before ordering to guarantee a perfect clamp-on match!\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eTechnical Sizing Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Boot Inner Diameter (ID):\u003c\/strong\u003e 38mm (Fits standard 38mm–39mm carburetor velocity stacks)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeck Alignment Profile:\u003c\/strong\u003e 45-Degree Angular Elbow Bend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Housing Dimensions:\u003c\/strong\u003e 5.0\" Length x 4.0\" Width x 4.0\" Height\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Composition Material:\u003c\/strong\u003e Pleated Synthetic Element with Stainless Support Mesh \u0026amp; Polymer Cap\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003ch3\u003eImportant: Carburetor Re-Jetting Likely Required\u003c\/h3\u003eSwitching from a stock closed airbox to an open high-flow filter significantly increases airflow volume. This will cause your engine to run lean (too much air, not enough fuel), resulting in coughing, sputtering, or potential cylinder damage. \u003cstrong\u003eYou must up-jet your carburetor’s main jet\u003c\/strong\u003e — typically an increase of 5–10 sizes depending on elevation — to properly balance the fuel mixture after installation.\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePerformance upgrades are considered racing parts and are not covered under warranty. For off-road and closed-course competition use only. Not legal for use in California on pollution-controlled vehicles. Check local laws before installing.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\"\u003eCalifornia Prop 65 Warning: www.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 1300-1112\u003cbr\u003e\u003c\/p\u003e","brand":"Scooterworks","offers":[{"title":"Default Title","offer_id":46759038681368,"sku":"1300-1112","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/products\/1300-1112_508f6e12-3c26-458d-9f32-ab87906fd156.jpg?v=1695298601","url":"https:\/\/www.scooterworks.com\/products\/scooterworks-racing-air-filter-38mm-45-degree-angle-1300-1112","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}