{"product_id":"ruma-muffler-kit-for-honda-gx340-gx390-gx420-harbor-freight-420cc-complete-exhaust-gasket-set","title":"Ruma Muffler Kit for Honda GX340 GX390 GX420 \u0026 Harbor Freight 420cc — Complete Exhaust \u0026 Gasket Set","description":"\u003ch2\u003eUpgrade your GX-powered equipment with the Ruma Muffler Kit\u003c\/h2\u003e\u003cp\u003eThe Ruma Muffler Kit is designed to replace worn exhaust components on Honda GX340, GX390 and GX420 engines, and is also compatible with Harbor Freight 420cc clones. This all-in-one kit brings together the essential parts you need for a straightforward rebuild, packaged in a way that supports quick, tidy installations. Expect a cohesive fit with factory-style mounting points, a complete set of gaskets, and hardware that keeps the exhaust system aligned and sealed. While it does not guarantee specific performance results, the kit offers a solid pathway to maintaining your engine’s exhaust function and ducting with confidence.\u003c\/p\u003e\u003cp\u003eInside, you’ll find components chosen to work together as a cohesive system. The included parts are designed to restore proper exhaust flow, protect against leaks, and simplify routine maintenance—so you can keep your GX-powered equipment running smoothly through the season. Real-world use often highlights easier maintenance, fewer visits to the parts shelf, and a cleaner, more predictable engine sound as the system settles in.\u003c\/p\u003e\u003ch3\u003eWhat is included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo muffler assemblies for Honda GX340\/GX390\/GX420 engines\u003c\/li\u003e\n\u003cli\u003eExhaust pipe or manifold\u003c\/li\u003e\n\u003cli\u003eTwo gaskets\u003c\/li\u003e\n\u003cli\u003eFive mounting nuts\u003c\/li\u003e\n\u003cli\u003eTwo mounting studs\u003c\/li\u003e\n\u003cli\u003eOne spark plug\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility and use cases\u003c\/h3\u003e\u003cp\u003eThe kit covers a broad range of GX-series engines and related equipment. It fits Honda 11–18 hp configurations and is compatible with Harbor Freight 420cc models such as 60340, 60349 and 69736, as well as many 338cc–440cc clones. It is intended for non-generator applications, so please verify your exact model before purchase to ensure a proper fit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWorks with water pumps, pressure washers, snow blowers, and other GX-powered machines\u003c\/li\u003e\n\u003cli\u003eIncludes hardware for a straightforward, all-in-one replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy choose Ruma\u003c\/h3\u003e\u003cp\u003eRuma focuses on practical, maintenance-friendly parts for popular engine platforms. This muffler kit bundles essential pieces into a complete rebuild solution, designed to simplify repairs and help you get back to work with minimal downtime.\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 engines is the Ruma Muffler Kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for Honda GX340, GX390, and GX420 engines and Harbor Freight 420cc clones; verify your exact model before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the kit include and how is it used?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes two mufflers, exhaust pipe\/manifold, two gaskets, five mounting nuts, two studs, and one spark plug for maintenance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Ruma","offers":[{"title":"Default Title","offer_id":45788237103290,"sku":"B097B9J9S2","price":100.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/ruma-muffler-kit-honda-gx340-exhaust-muffler.jpg?v=1776500770","url":"https:\/\/gardencanada.ca\/products\/ruma-muffler-kit-for-honda-gx340-gx390-gx420-harbor-freight-420cc-complete-exhaust-gasket-set","provider":"Garden Canada","version":"1.0","type":"link"}