{"product_id":"t4-stainless-steel-exhaust-manifold-cummins-6b-5-9l-12v-diesel","title":"T4 Stainless Steel Exhaust Manifold for Cummins 6B 5.9L 12V","description":"\u003cp\u003eThis T4 stainless steel exhaust manifold is designed for 5.9L 12 valve Cummins engines (1989–1998) and features a T4 turbo mounting flange, making it ideal for S300 and S400 frame turbochargers, compound turbo setups, and high-horsepower single turbo builds. The optimized runner design improves exhaust gas flow to the turbocharger, helping reduce drive pressure, support higher boost levels, and improve overall turbo efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1989–1998 Dodge Ram 5.9L 12V Cummins -- 6B (rectangular port configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel construction for heat and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbo Flange:\u003c\/strong\u003e T4 configuration for aftermarket turbocharger compatibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Turbos:\u003c\/strong\u003e S300, S400, and other T4 frame turbos; supports compound and high-boost single turbo applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Runner configuration optimized for exhaust gas flow and reduced back pressure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e Rectangular port configuration for direct fitment to Cummins 6B engines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGaskets and Hardware:\u003c\/strong\u003e Refer to product photos for included components; verify mounting position and turbo flange requirements before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThis is a bolt-on replacement that requires removal of the factory exhaust manifold and transfer of gaskets and hardware. Professional installation is recommended to ensure proper fitment and leak-free seal.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52899403006261,"sku":"DR-341-F-8998","price":399.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/DR-341-F-8998_-_1.webp?v=1779773815","url":"https:\/\/www.performancepartsfactory.com\/products\/t4-stainless-steel-exhaust-manifold-cummins-6b-5-9l-12v-diesel","provider":"Performance Parts Factory","version":"1.0","type":"link"}