{"product_id":"jdmspeed-stainless-steel-exhaust-manifold-gasket-kit-for-jeep","title":"Exhaust Manifold \u0026 Gasket Kit for Jeep 4.0L (1991-1999) - Stainless","description":"\u003cp\u003eIn this review the focus is on a direct replacement exhaust manifold and gasket kit designed for Jeep 4.0L inline-six engines built between 1991 and 1999. The bottom line: this kit is for owners who need a straightforward, exact-fit replacement that improves pipe durability with stainless steel tubing while keeping flex joints and the flange in standard steel for thermal expansion. It earns attention because it ships as a complete kit with gaskets, downpipe hardware and a heat shield, so most DIYers can expect a tidy swap that restores function and gives an OEM-like appearance.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel pipes:\u003c\/strong\u003e Upgraded tubing resists corrosion better than plain steel, helping the manifold last longer under normal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlex bellows included:\u003c\/strong\u003e Built-in flex joints accommodate engine movement and reduce stress on the exhaust system during operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete kit:\u003c\/strong\u003e Ships with all necessary gaskets, downpipe hardware and a heat shield so installers do not need to source extra parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect replacement fit:\u003c\/strong\u003e Engineered as an exact-fit replacement for specific Jeep 4.0L models to simplify installation and alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth interior:\u003c\/strong\u003e A smooth bore provides better flow characteristics at higher engine speeds for consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part cross-reference:\u003c\/strong\u003e Replaces factory part numbers 33007072 and 4883385 for straightforward parts matching.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at Jeep owners and independent mechanics working on Cherokee, Comanche, Grand Cherokee or Wrangler models equipped with the 4.0L inline-six from the early 1990s through 1999 who want a replacement that looks and fits like the original. It suits DIY installers who can spend a couple of hours under the hood and prefer a single package that includes gaskets and hardware.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include owners of non-4.0L engines or vehicles outside the listed years, and drivers seeking fully stainless flanges or aftermarket performance manifolds, since the flange and flex joints remain standard steel to allow natural thermal expansion.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood overall fit for many 1991-1999 4.0L Jeep applications, often matching OEM appearance.\u003c\/li\u003e\n\u003cli\u003eStainless pipes improve corrosion resistance and visual longevity versus all-steel manifolds.\u003c\/li\u003e\n\u003cli\u003eComplete hardware and heat shield included saves time sourcing parts for installation.\u003c\/li\u003e\n\u003cli\u003eSmooth interior and flow-oriented design support stable performance at higher rpm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlange size has mixed feedback and in some cases may contact the engine block, requiring minor clearance work.\u003c\/li\u003e\n\u003cli\u003eFlex joints and flange are standard steel, so the entire assembly is not fully stainless.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eJDMSPEED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine fit\u003c\/td\u003e\n\u003ctd\u003e4.0L inline-six\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYear range\u003c\/td\u003e\n\u003ctd\u003e1991-1999 (select models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eExhaust manifold, gaskets, downpipe hardware, heat shield, flex bellows\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe material\u003c\/td\u003e\n\u003ctd\u003eStainless steel tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange and flex joints\u003c\/td\u003e\n\u003ctd\u003eStandard steel for thermal expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces part numbers\u003c\/td\u003e\n\u003ctd\u003e33007072, 4883385, 674-196, 10105812\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor Jeep 4.0L owners who need a reliable, complete exhaust manifold swap without hunting for parts, this kit delivers solid value and an OEM-like fit and finish. It is especially good for DIY installers who appreciate the included gaskets and hardware, though anyone needing a fully stainless flange should consider alternatives. Overall, it restores proper exhaust flow affordably and looks like a practical replacement option.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit my 1997 Cherokee with a 4.0L engine?\u003c\/strong\u003e\u003cbr\u003eYes, the kit is listed for Cherokee L6 4.0L models from 1991-1999 and is commonly reported to fit 1997 Cherokees.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre all components stainless steel?\u003c\/strong\u003e\u003cbr\u003eNo, the pipes are stainless steel but the flex bellows and flange are made of standard steel to permit natural thermal expansion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include gaskets and hardware?\u003c\/strong\u003e\u003cbr\u003eYes, the package includes the exhaust manifold, all necessary gaskets, downpipe hardware and a heat shield for installation.\u003c\/p\u003e","brand":"JDMSPEED","offers":[{"title":"Default Title","offer_id":48120562647259,"sku":"B075869XV3","price":95.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61icONRhyUL._SL1500.jpg?v=1768472486","url":"https:\/\/gearmusthave.com\/products\/jdmspeed-stainless-steel-exhaust-manifold-gasket-kit-for-jeep","provider":"GearMustHave","version":"1.0","type":"link"}