{"product_id":"06-11-honda-civic-si-fg2-fa5-header-stainless-steel","title":"06-11 Honda Civic SI FG2\/FA5 Header Stainless Steel","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e06-11 Honda Civic SI FG2\/FA5 Header Stainless Steel\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eStainless steel header built for the FG2\/FA5 SI platform, designed to flow better than the factory cast manifold.\u003c\/strong\u003e Constructed from mandrel-bent tubing and TIG-welded for durability. Direct bolt-on fitment eliminates guesswork on install day.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Stainless Steel Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Factory Mounting Points\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\u003eMandrel-bent tubing\u003c\/strong\u003e - Maintains smooth internal diameter for consistent flow and minimal turbulence\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTIG-welded joints\u003c\/strong\u003e - Stronger seams than MIG welding, resists thermal cycling stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on design\u003c\/strong\u003e - Uses factory attachment points, no custom fabrication required\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\u003eConstruction: Mandrel-bent tubing, TIG-welded\u003c\/li\u003e\n\u003cli\u003eConfiguration: Direct bolt-on for FG2\/FA5 platform\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eHeader 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 I need to replace my exhaust manifold gasket when installing this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The factory gasket compresses during removal and won't seal properly on reinstall. Pick up a new one before you start — you'll need it to prevent exhaust leaks at the head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this header come with a heat shield?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHeader assembly only. Heat shielding is sold separately and depends on your engine bay layout and what components are nearby — measure your clearances before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill I need a custom exhaust tune after installing this?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis header flows better than stock, which can affect your air-fuel ratio. If you're running a tune already, verify compatibility with your tuner. If you're staying completely stock otherwise, most drivers report no issues, but monitor your fuel trim if you have a scan tool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":54605152485681,"sku":"K2-4911-HON-006-EC","price":219.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/HDS-HC06SI-1PC-1.jpg?v=1781493181","url":"https:\/\/acmtechnik.com\/products\/06-11-honda-civic-si-fg2-fa5-header-stainless-steel","provider":"ACM Technik LLC","version":"1.0","type":"link"}