{"product_id":"scooterworks-low-mount-exhaust-gy50-qmb139","title":"RDLN Sport Exhaust - Low-Mount 139QMB 50cc Scooters","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eRDLN low-mount performance exhaust for 139QMB-based 50cc vintage-style scooters. Designed specifically for bikes with lower cowls (Lowboy, GY50, and similar retro-bodied frames), this system routes the chrome header pipe under the floorboard and positions the black matte canister low and parallel to the frame for a clean, sleek look. Right-side mount. Made in Taiwan by RDLN.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLow-mount canister design — fits vintage-style 139QMB scooters with lower cowls; will not fit standard upswept configurations\u003c\/li\u003e\n\u003cli\u003eBlack matte powder-coat canister with polished stainless tip\u003c\/li\u003e\n\u003cli\u003eChrome header pipe with right-side lower-cowl mount bracket\u003c\/li\u003e\n\u003cli\u003eRDLN branded canister\u003c\/li\u003e\n\u003cli\u003eComplete assembly — header pipe, canister, and mounting hardware included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: RDLN\u003c\/li\u003e\n\u003cli\u003eSKU: 0500-1071\u003c\/li\u003e\n\u003cli\u003eMount side: Right\u003c\/li\u003e\n\u003cli\u003eMount type: Lower cowl (low-mount)\u003c\/li\u003e\n\u003cli\u003eOverall dimensions: 36\"L x 12\"W x 12\"H\u003c\/li\u003e\n\u003cli\u003eFinish: Black matte canister, chrome header\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility — 139QMB-based 50cc \/ 80cc engines:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003cth\u003eEngine Code\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e139QMA\u003c\/td\u003e\n\u003ctd\u003e139QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMB\u003c\/td\u003e\n\u003ctd\u003e1P39QMA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYN139QMB\u003c\/td\u003e\n\u003ctd\u003eJJ1P39QMB\u003c\/td\u003e\n\u003ctd\u003e139FMA-2\u003c\/td\u003e\n\u003ctd\u003eBD1P39QMB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBN139QMB\u003c\/td\u003e\n\u003ctd\u003e147QMD\u003c\/td\u003e\n\u003ctd\u003eOther QMA models\u003c\/td\u003e\n\u003ctd\u003eOther QMB models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eIf your 50cc engine code contains \"QM\" or \"FM\", this exhaust is likely compatible with your vehicle. Verify your frame has a lower cowl configuration before ordering — this is a low-mount system and will not fit standard upswept exhaust layouts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOff-road use only.\u003c\/strong\u003e Not intended for use on public roads or land. Check local laws before installing.\u003c\/p\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003cp\u003e139QMB-based 50cc\/80cc vintage-style scooters with lower cowl frames (Lowboy, GY50, and similar retro-bodied Chinese 50cc scooters) | Engine codes: 139QMA, 139QMB, 1P39QMB, 1P39QMA-2, YN139QMB, JJ1P39QMB, 139FMA-2, BD1P39QMB, BN139QMB, 147QMD | Also fits any QM or FM engine code on a lower-cowl frame\u003c\/p\u003e\u003ch2\u003eProduct Diagrams\u003c\/h2\u003e\u003cul class=\"az-content-resources\"\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=147\"\u003eGO MAX MUFFLER ASSY\u003c\/a\u003e \u003cspan\u003eCallout 4\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/search?view=az-assembly\u0026amp;q=78\"\u003eQMB139 MUFFLER  ASSY\u003c\/a\u003e \u003cspan\u003eCallout 4\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RDLN","offers":[{"title":"Default Title","offer_id":67964531835201,"sku":"0500-1071","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/az-p012-5997-0-0500-1071_f7e557e2-2af5-4295-985c-9627e8136a15.jpg?v=1792557770","url":"https:\/\/azscooterparts.com\/products\/scooterworks-low-mount-exhaust-gy50-qmb139","provider":"AZScooterParts","version":"1.0","type":"link"}