{"product_id":"dorman-driver-side-exhaust-manifold-kit-674-522-ductile-iron-complete-gasket-hardware-kit","title":"Dorman Driver Side Exhaust Manifold Kit 674-522 — Ductile Iron, Complete Gasket \u0026 Hardware Kit","description":"\u003cp\u003e\u003cstrong\u003eThe Dorman 674-522 driver side exhaust manifold kit is a direct-fit OE FIX replacement made from durable ductile iron and includes all required gaskets and hardware for a complete installation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMany factory exhaust manifolds use lower-grade iron that can warp or develop cracks after repeated heating cycles. Dorman’s 674-522 kit addresses that weakness by offering a better material, matching fitment to original equipment, and providing the gaskets and fasteners you need to replace the manifold without searching for extra parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this manifold resist warping and cracking?\u003c\/h3\u003e\n\u003cp\u003eUnlike some original units that use brittle cast iron, this Dorman replacement is built from ductile iron, which absorbs stress and thermal cycling more effectively. The material choice reduces the likelihood of hairline fractures and deformation over time, extending the service life of the manifold.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDuctile iron construction for improved tensile strength\u003c\/li\u003e\n  \u003cli\u003eEngineered to withstand high heat and repeated cycles\u003c\/li\u003e\n  \u003cli\u003eFewer hot spots that lead to cracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill everything needed for installation be included?\u003c\/h3\u003e\n\u003cp\u003eThe 674-522 kit is sold as a complete package so you won’t need to source additional gaskets or hardware. Dorman supplies the manifold plus the essential mounting components to streamline replacement and avoid installation delays.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNew manifold gasket and flange gasket included\u003c\/li\u003e\n  \u003cli\u003eThree studs and three nuts supplied for secure installation\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design reduces need for modification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow closely does this match the original part and fit my vehicle?\u003c\/h3\u003e\n\u003cp\u003eEach Dorman OE FIX product is reverse engineered from the original equipment part to deliver a dimensional and functional match. For accurate fitment, use your vehicle make, model and trim in the seller’s garage tool before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReverse-engineered to mirror OEM geometry\u003c\/li\u003e\n  \u003cli\u003eDesigned and tested in the United States for quality control\u003c\/li\u003e\n  \u003cli\u003eVerify compatibility with the garage lookup tool prior to ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during and after installation?\u003c\/h3\u003e\n\u003cp\u003eBecause the kit is a direct-fit replacement and includes gaskets and fasteners, installation time is typically similar to swapping the original manifold. After proper torquing and sealing, you should experience stable exhaust routing without leaks attributable to warped or cracked manifolds.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes necessary hardware to simplify installation\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer torque specs for studs and nuts\u003c\/li\u003e\n  \u003cli\u003eInspect mating surfaces and replace any damaged components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dorman 674-522 driver side exhaust manifold kit is intended for vehicle owners and mechanics replacing a warped, cracked, or failed factory manifold on compatible models. It’s a practical choice for those who want an OEM-style fit without sourcing separate gaskets or studs, and for anyone preferring an upgraded ductile iron construction for longer durability.\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: Does this kit include gaskets and mounting hardware?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit comes with the manifold, a manifold gasket, a flange gasket, three studs, and three nuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Dorman 674-522 a direct OEM replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s reverse-engineered for a direct fit and engineered to match original equipment dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":67585110212793,"sku":"B000E35VUC","price":248.21,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/dorman-exhaust-manifold-front-view_f379f031-673d-4c1c-8493-df143030b2ca.jpg?v=1790467607","url":"https:\/\/redleafauto.ca\/products\/dorman-driver-side-exhaust-manifold-kit-674-522-ductile-iron-complete-gasket-hardware-kit","provider":"Redleaf Auto","version":"1.0","type":"link"}