{"product_id":"naraku-crossover-exhaust-for-qmb139-50cc","title":"Naraku Carbon Fiber Crossover Exhaust System - 139QMB 50cc","description":"\u003cp\u003eThe Naraku Crossover Exhaust is a performance-oriented replacement exhaust tailored specifically to the QMB139 4-stroke 50cc engine. The crossover pipe design targets top-end power gains over the stock exhaust, while the real carbon fiber silencer keeps the look clean and stealthy. Designed to European road standards — removing the manifold restrictor delivers a significant additional performance improvement.\u003c\/p\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCrossover pipe design for top-end performance boost over stock\u003c\/li\u003e\n\u003cli\u003eReal carbon fiber silencer with black finish\u003c\/li\u003e\n\u003cli\u003eRemovable silencer for maintenance or tuning\u003c\/li\u003e\n\u003cli\u003eDesigned to European road standards\u003c\/li\u003e\n\u003cli\u003eRemoving the manifold restrictor significantly improves performance\u003c\/li\u003e\n\u003cli\u003eDoes not include mounting bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHead Pipe Bolt Hole Spacing: 50mm\u003c\/li\u003e\n\u003cli\u003eHead Pipe Inner Diameter: 20mm\u003c\/li\u003e\n\u003cli\u003eSilencer: Real carbon fiber, removable\u003c\/li\u003e\n\u003cli\u003eFinish: Black\u003c\/li\u003e\n\u003cli\u003eMounting Bolts: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eModel Fitment\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003eDisplacement\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eQMB139\u003c\/td\u003e\n\u003ctd\u003e49cc \/ 50cc\u003c\/td\u003e\n\u003ctd\u003e4-stroke horizontal\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThis product is intended for off-road and racing use only. Not intended for use on public roads.\u003c\/p\u003e\u003cp\u003eCalifornia Prop 65 Warning: www.p65warnings.ca.gov\u003c\/p\u003e","brand":"Naraku","offers":[{"title":"Default Title","offer_id":67964512567617,"sku":"137-5","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/7785\/2225\/files\/137-5_3334c176-8796-4fee-9f27-e2a655759bc8.webp?v=1792993059","url":"https:\/\/azscooterparts.com\/products\/naraku-crossover-exhaust-for-qmb139-50cc","provider":"AZScooterParts","version":"1.0","type":"link"}