{"product_id":"yoxufa-exhaust-header-muffler-420cc-replacement-kit-fits-predator-gx-engines-heat-shield-gasket","title":"YOXUFA Exhaust Header Muffler 420cc Replacement Kit — Fits Predator\/GX Engines, Heat-Shield \u0026 Gasket","description":"\u003cb\u003eYOXUFA 420cc exhaust header muffler is a direct-replacement performance exhaust assembly designed to fit Predator 301cc\/420cc and several GX-series and clone small engines, sold complete with heat-shield tape and mounting hardware.\u003c\/b\u003e\n\n\u003cp\u003eThis replacement muffler and header kit provides a durable, ready-to-install exhaust for mini bikes, go-karts, lawn equipment and other small OHV engines. Built with reinforced welds and supplied with a gasket, screws, tie straps and heat-shield tape, it targets common Predator and clone engine mounts. Before buying, check the 50mm (1.96\") mounting hole spacing to confirm fitment.\u003c\/p\u003e\n\n\u003ch3\u003eWill this exhaust fit my Predator or GX-series engine?\u003c\/h3\u003e\n\u003cp\u003eThe YOXUFA 420cc muffler is compatible with Predator 301cc (8hp) and Predator 420cc (13hp) engines and various GX models including GX240, GX270 and GX390. It also fits certain clone engines like Briggs-style 1450 305cc and Lifan LF190F-BQ type units when the mounting dimensions match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Predator 301cc\/420cc, GX240, GX270, GX390.\u003c\/li\u003e\n  \u003cli\u003eAlso works with some Briggs-style 1450 305cc and Lifan LF190F-BQ clones.\u003c\/li\u003e\n  \u003cli\u003eCritical measurement: mounting hole spacing 50mm (1.96\").\u003c\/li\u003e\n  \u003cli\u003eNot compatible if your engine uses 46mm mounting spacing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what hardware is included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic small-engine maintenance. The kit arrives with the parts needed to mount the exhaust and protect nearby surfaces, reducing the need for additional purchases.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: exhaust header\/muffler assembly, gasket, two screws and matching nuts.\u003c\/li\u003e\n  \u003cli\u003eComes with heat-shield tape to protect legs and nearby components from heat.\u003c\/li\u003e\n  \u003cli\u003eFour cable ties and a small wrench are provided for routing and fastening.\u003c\/li\u003e\n  \u003cli\u003eWelding and construction are reinforced to resist cracking under vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction quality should I expect?\u003c\/h3\u003e\n\u003cp\u003eThis muffler uses welded steel construction with attention to joint strength to limit breakage under normal use. The finish and weld beads are designed for durability in recreational and light commercial applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust welds intended to withstand vibration common to mini bikes and go-karts.\u003c\/li\u003e\n  \u003cli\u003eSteel header and body for heat tolerance and longevity.\u003c\/li\u003e\n  \u003cli\u003eHeat-shield tape included to reduce radiant heat at contact points.\u003c\/li\u003e\n  \u003cli\u003eSupplied gasket helps ensure a proper seal at the exhaust flange.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This YOXUFA 420cc exhaust header muffler is aimed at DIY mechanics, hobbyists and small-vehicle owners who need a rugged replacement for worn, damaged or missing mufflers on Predator and compatible clone engines. It suits mini bike and go-kart restorations, lawn and garden equipment repairs, and small-engine performance refreshes where a 50mm flange spacing is present. Verify mounting hole distance and engine compatibility before ordering to ensure a correct fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What mounting hole spacing does this exhaust require?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This exhaust requires a 50mm (1.96\") mounting hole spacing; it is not compatible with 46mm flanges.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package includes the exhaust, gasket, screws, ties, a wrench and heat-shield tape for installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"YOXUFA","offers":[{"title":"Default Title","offer_id":48082905989278,"sku":"B09QKN76KH","price":64.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/yoxufa-front-view-exhaust-assembly.jpg?v=1785819096","url":"https:\/\/northtrailauto.ca\/products\/yoxufa-exhaust-header-muffler-420cc-replacement-kit-fits-predator-gx-engines-heat-shield-gasket","provider":"North Trail Auto","version":"1.0","type":"link"}