{"product_id":"ezypak-1-inch-threaded-exhaust-flange-for-predator-301-670-and-honda-gx270-gx340-gx390-cnc-1-4-inch-steel","title":"EZYPak 1-Inch Threaded Exhaust Flange for Predator 301\/670 and Honda GX270 GX340 GX390 — CNC 1\/4 Inch Steel","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe EZYPAK 1-Inch Threaded Exhaust Flange is a thoughtful addition for custom exhaust projects on select generators and engines. It pairs with Predator 301cc 11hp and 670cc 22hp units, as well as Honda GX270, GX340, and GX390 models. This adaptor is not designed for Duromax engines 16HP or 18HP, so please verify compatibility before purchasing.\u003c\/p\u003e\n\u003ch3\u003eDurable construction, precise fit\u003c\/h3\u003e\n\u003cp\u003eEach flange is CNC-cut from rugged 1\/4 inch steel to resist warping and maintain a dependable seal over time. The outlet is threaded with a 1 inch NPT connection, engineered to align with common exhaust ports for steady, efficient exhaust flow. The center-to-center hole distance is 2 inches, helping you align mounting points with confidence.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty materials for long service life\u003c\/li\u003e\n  \u003cli\u003e1 inch NPT threaded outlet for straightforward port matching\u003c\/li\u003e\n  \u003cli\u003e2 inch center hole spacing enables reliable alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for generators and other applications where a custom exhaust is needed, this flange supports compact, robust installations. It suits projects where precise fit, solid mounting, and consistent flow matter—without promising guaranteed outcomes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCustom exhaust builds for Predator and Honda engines\u003c\/li\u003e\n  \u003cli\u003ePort matching to optimize exhaust routing and flow\u003c\/li\u003e\n  \u003cli\u003eDurable steel construction for challenging environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBefore you buy\u003c\/h3\u003e\n\u003cp\u003ePlease check the model carefully before purchasing. If you have questions, email us; we typically reply promptly to help confirm compatibility and fit for your setup.\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: Which engines does this EZYPak flange fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Predator 301cc\/11hp and 670cc\/22hp, plus Honda GX270, GX340, GX390. Check port size and hole spacing before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this flange suitable for other applications besides generators?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it supports custom exhaust setups needing a 1in NPT outlet and 2in center spacing for compatible ports.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EZYPAK","offers":[{"title":"Default Title","offer_id":42465341243477,"sku":"B0CQC9YZ4Y","price":28.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ezypak-exhaust-flange-predator-301-11hp.jpg?v=1778004677","url":"https:\/\/plentytorque.co.uk\/products\/ezypak-1-inch-threaded-exhaust-flange-for-predator-301-670-and-honda-gx270-gx340-gx390-cnc-1-4-inch-steel","provider":"PlentyTorque","version":"1.0","type":"link"}