{"product_id":"header-stainless-steel-75-79-ford-f-100-f-150-f-250-f-350-with-7-5-v8-modification-to-stock-exhaust-required-to-retain-stock-catalytic-converter-long-tube","title":"1975-1979 Ford F-100 F-150 F-250 F-350 Long Tube Header Stainless Steel","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e1975–1979 Ford F-100 F-150 F-250 F-350 Long Tube Header Stainless Steel\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eStainless steel long tube headers built to flow better and last longer without rust.\u003c\/strong\u003e These headers replace your factory manifolds with mandrel-bent tubing that reduces backpressure and improves exhaust scavenging. Stainless construction handles heat and corrosion better than steel, so you won't be replacing them in a few years.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Stainless Steel Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct-from-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\u003eMandrel-bent tubes\u003c\/strong\u003e — Maintains smooth inner diameter for consistent gas flow, no crimping or kinks that kill horsepower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong tube design\u003c\/strong\u003e — Longer primaries and runners scavenge exhaust more efficiently than short tube or factory manifold geometry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless material\u003c\/strong\u003e — Won't rust or corrode like mild steel; holds up to repeated heat cycles and salt exposure.\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: Long tube header assembly\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhat's Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eLong tube header 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\u003eDo these headers bolt directly to my engine without modification?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMounting method is not specified — test-fit the header to your engine block and exhaust routing before final installation. You may need to fabricate or adjust exhaust pipe diameter and clearance to the frame depending on your setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill I need to weld these to my exhaust system or can I use clamps?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe header assembly itself comes as a single piece, but how you connect it to your downpipe or mid-pipe is up to you. Clamps work fine for bolted connections; welding is an option if you want a permanent seal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDo these require any prep or coating before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStainless steel ships ready to install — no painting or priming needed. Wipe off any manufacturing residue before bolting down, and you're good to go.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873609441514,"sku":"K2-4842-FORD-006-EC","price":329.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/HDS-F15074-LT-1.jpg?v=1772740473","url":"https:\/\/www.k2-industries.com\/en-cr\/products\/header-stainless-steel-75-79-ford-f-100-f-150-f-250-f-350-with-7-5-v8-modification-to-stock-exhaust-required-to-retain-stock-catalytic-converter-long-tube","provider":"K2 Industries","version":"1.0","type":"link"}