{"product_id":"2006-2011-honda-civic-si-exhaust-header-gasket","title":"2006-2011 Honda Civic SI Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e2006-2011 Honda Civic SI Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eDirect-fit replacement gasket for your SI header, made to seal factory connection points without modification.\u003c\/strong\u003e Designed for hassle-free installation when you're swapping headers or replacing a worn gasket. Fits the factory mounting surface with zero guesswork.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Ships from FL Warehouse\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Factory Mounting Points\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\u003eFactory-matched seal surface\u003c\/strong\u003e - Installs at OEM connection points with zero modifications needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in replacement\u003c\/strong\u003e - Works with both stock and aftermarket headers designed for your SI.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle gasket\u003c\/strong\u003e - One piece, ready to install between header and manifold.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eHard panel construction\u003c\/li\u003e\n\u003cli\u003eSingle gasket assembly\u003c\/li\u003e\n\u003cli\u003eDesigned for 2006-2011 Honda Civic SI exhaust applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhat's Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eExhaust header gasket (qty 1)\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 any hardware to install this, or does it bolt straight up?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe gasket itself installs between the header and manifold at the factory bolt holes — your existing header bolts will secure it. Bring the hardware you already have; this gasket is the seal piece only.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I reuse this gasket if I'm swapping headers later, or is it one-time only?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExhaust gaskets should be replaced each time you break the seal. Once you bolt the header on and heat-cycle it, the gasket compresses and won't seal again — grab a fresh one for your next header swap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this work with an aftermarket header, or only the factory manifold?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis gasket seals at the factory mounting surface. Any aftermarket header designed to bolt to your SI's stock connection points will work fine with this gasket — just confirm the header is SI-compatible first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":54605072466225,"sku":"K2-4559-HON-006-TSARK","price":89.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/GKTSET-HC06SI-1PC-1.jpg?v=1781492737","url":"https:\/\/acmtechnik.com\/products\/2006-2011-honda-civic-si-exhaust-header-gasket","provider":"ACM Technik LLC","version":"1.0","type":"link"}