{"product_id":"gasket-exhaust-header-05-10-ford-mustang-4-0l-v6-fits-header-model-hds-fm05-40l-shorty-hds-fm05-v6","title":"2005-2010 Ford Mustang 4.0L V6 Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e2005-2010 Ford Mustang 4.0L V6 Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eSealed combustion chamber connection between header and cylinder head on your 4.0L V6 Mustang.\u003c\/strong\u003e This gasket prevents exhaust leaks that rob horsepower and create cabin noise. Direct fit for the factory header location.\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✓ In-House Quality Check\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 gasket profile\u003c\/strong\u003e - Matches OEM header flange geometry for zero-gap sealing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-proof construction\u003c\/strong\u003e - Eliminates exhaust bypass that causes performance loss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in replacement\u003c\/strong\u003e - No modification needed to existing header or cylinder head\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003ch6 class=\"section-title\"\u003eSpecs\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eApplication: 4.0L V6 engine, factory exhaust header mount\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6 class=\"section-title\"\u003eWhats Included\u003c\/h6\u003e\n\u003cul\u003e\u003cli\u003eExhaust header gasket (1x)\u003c\/li\u003e\u003c\/ul\u003e\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 clean or prep the cylinder head surface before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Scrape away any old gasket material and carbon buildup from both the header flange and cylinder head. A clean, dry surface ensures a tight seal and prevents leaks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill this gasket work with an aftermarket header, or only OEM?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis gasket is designed for the factory header bolt pattern. If you're running an aftermarket header, check its flange hole spacing and diameter first—different headers may require a different gasket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat hardware comes with this gasket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnly the gasket. You'll use your existing header bolts to clamp it in place. Inspect those bolts when you remove the old gasket—if they're stripped or corroded, replace them before reinstalling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":45873573331178,"sku":"K2-4546-FORD-006-TSARK","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0477\/0427\/7142\/files\/GKTSET-FM05-V6-1.jpg?v=1772739213","url":"https:\/\/www.k2-industries.com\/en-hk\/products\/gasket-exhaust-header-05-10-ford-mustang-4-0l-v6-fits-header-model-hds-fm05-40l-shorty-hds-fm05-v6","provider":"K2 Industries","version":"1.0","type":"link"}