{"product_id":"gy6-50cc-139qmb-carbon-fiber-crossover-exhaust-system","title":"GY6 50cc (139QMB) Carbon Fiber Crossover Exhaust System","description":"\u003ch2\u003ePerformance Exhaust for GY6 50cc Engines\u003c\/h2\u003e\u003cp\u003eThe GY6 50cc (139QMB) Carbon Fiber Crossover Exhaust System is a performance replacement built for 4-stroke 50cc engines. It is intended to raise top-end output, so it suits riders who want more from their scooter. It is one of the \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc scooter parts\u003c\/a\u003e that can offer noticeable gains over the stock exhaust. Its sleek carbon fiber silencer also gives the scooter a stylish look.\u003c\/p\u003e\u003ch3\u003eCrossover Pipe Design\u003c\/h3\u003e\u003cp\u003eThe exhaust uses a crossover pipe layout aimed at better top-end performance, so it works for both racing and off-road riding. The design helps exhaust gases flow more smoothly, which can support quicker acceleration and higher speed. For the best results, removing the manifold restrictor is advised, since this lets the engine breathe more easily.\u003c\/p\u003e\u003ch3\u003eConstruction and Maintenance\u003c\/h3\u003e\u003cp\u003eThe silencer is made from genuine carbon fiber with a sleek black finish, offering both a clean appearance and reduced weight. The silencer can also be removed, which makes cleaning and tuning changes simpler. Note that mounting bolts are not supplied with the exhaust system.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Carbon fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Head Pipe Inner Diameter: 20mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Crossover exhaust system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e QMB139 4-stroke 50cc engine (49cc\/50cc, horizontal)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFits:\u003c\/p\u003e\u003cul\u003e\u003cli\u003eQMB139 4-stroke 50cc engine (49cc\/50cc, horizontal type)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e Confirm the engine code QMB139 and a 50mm head pipe bolt hole spacing, with a 20mm head pipe inner diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShop more:\u003c\/strong\u003e \u003ca href=\"\/collections\/gy6-50cc-parts\"\u003eGY6 50cc Scooter Parts (139QMB)\u003c\/a\u003e · \u003ca href=\"\/collections\/gy6-scooter-parts\"\u003eGY6 Scooter Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-exhausts\"\u003eScooter Exhausts \u0026amp; Mufflers\u003c\/a\u003e · \u003ca href=\"\/collections\/scooter-parts\"\u003eScooter Parts\u003c\/a\u003e\u003c\/p\u003e","brand":"Trend Times Toy Stores","offers":[{"title":"Default Title","offer_id":51135839764537,"sku":"TT-16543","price":195.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/3358\/9049\/files\/carbon-fiber-crossover-exhaust-system-for-gy6-50cc-139qmb-1.webp?v=1794349863","url":"https:\/\/www.trendtimes.com\/products\/gy6-50cc-139qmb-carbon-fiber-crossover-exhaust-system","provider":"Trend Times Toy Stores","version":"1.0","type":"link"}