{"product_id":"1999-2004-ford-f-150-lightning-5-4l-header-with-downpipe-stainless-steel","title":"1999-2004 Ford F-150 Lightning 5.4L Header with Downpipe Stainless Steel","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e1999-2004 Ford F-150 Lightning 5.4L Header with Downpipe Stainless Steel\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eStainless steel header and downpipe assembly designed for the 5.4L Lightning engine.\u003c\/strong\u003e Built from corrosion-resistant stainless material to handle high heat and extend component life. Flows exhaust gases more efficiently than restrictive factory routing.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Stainless Steel Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ In-House Quality Check\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eKey Features\u003c\/h6\u003e\n\u003cdiv class=\"design-features\"\u003e\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Material\u003c\/strong\u003e - Resists rust and thermal degradation under sustained high-temperature operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeader and Downpipe Integration\u003c\/strong\u003e - Single assembly eliminates potential leak points between separate components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5.4L Engine Specific\u003c\/strong\u003e - Engineered for proper fitment and flow characteristics on this displacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eConfiguration: Header with integrated downpipe\u003c\/li\u003e\n\u003cli\u003eEngine: 5.4L\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eHeader and downpipe assembly\u003c\/li\u003e\u003c\/ul\u003e\n\n\u003cdiv class=\"product-faq\"\u003e\n\u003ch6 class=\"section-title\"\u003eFrequently Asked Questions\u003c\/h6\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this bolt directly to the factory exhaust manifold location?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis header is designed to replace the factory cast manifold at the cylinder head. Verify bolt hole alignment and O2 sensor bung location before final installation—test-fit the assembly on the engine first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to prep or coat the stainless steel before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStainless steel doesn't require primer or paint. Install it as-is. High-temperature exhaust gases will naturally patina the outer surface over time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the warranty on this header?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eReturn or warranty details aren't specified in the product data—reach out to ModSupply directly with your order number for coverage information.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":48609986740407,"sku":"K2-4854-FORD-006-EC","price":439.99,"currency_code":"USD","in_stock":false}],"url":"https:\/\/milkymotorsports.com\/products\/1999-2004-ford-f-150-lightning-5-4l-header-with-downpipe-stainless-steel","provider":"Milky Motorsports","version":"1.0","type":"link"}