{"product_id":"eh-fb-041s","title":"Stainless Steel Long Tube Headers for 1970-1981 GM A\/F\/X-Body LS Swap, 1-3\/4\" Primaries","description":"\u003cp\u003e\u003cstrong\u003eStainless Steel Long Tube Headers for 1970-1981 GM A\/F\/X-Body LS Swap, 1-3\/4\" Primaries.\u003c\/strong\u003e These long tube headers replace the restrictive factory exhaust manifolds with full-length primary tubes that merge into a collector. The extended tube length improves exhaust scavenging — each cylinder's exhaust pulse helps pull the next one through — for stronger mid-range torque, sharper throttle response, and a deeper, more aggressive exhaust note.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFull-length primary tubes with merged collector for maximum scavenging effect\u003c\/li\u003e\n\u003cli\u003eTIG-welded stainless steel construction resists rust and corrosion\u003c\/li\u003e\n\u003cli\u003ePolished finish for a clean, show-quality look in the engine bay\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on design — installs in place of the factory components\u003c\/li\u003e\n\u003cli\u003eBrand new, unused — sold exactly as shown\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e EH-FB-041S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Long Tube Headers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e EXHAUST-EXPERT\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned for: 1970-1981 GM A\/F\/X-Body LS Swap, 1-3\/4\" Primaries. Please confirm fitment for your exact year, make, model, and engine before ordering — message us if you are unsure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned as a direct bolt-on replacement using standard hand tools. Professional installation is recommended.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping \u0026amp; Returns\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFree US standard shipping on orders over $70. 30-day returns.\u003c\/p\u003e","brand":"EXHAUST-EXPERT","offers":[{"title":"Default Title","offer_id":50541541425380,"sku":"EH-FB-041S","price":229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/4799\/3828\/files\/EH-FB-041S.jpg?v=1790352527","url":"https:\/\/exhaust-expert.com\/products\/eh-fb-041s","provider":"Exhaust-Expert","version":"1.0","type":"link"}