{"product_id":"02-06-nissan-altima-2-5l-4cyl-aluminum-exhaust-header-gasket","title":"02-06 Nissan Altima 2.5L 4Cyl Aluminum Exhaust Header Gasket","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e02-06 Nissan Altima 2.5L 4Cyl Aluminum Exhaust Header Gasket\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eAluminum gasket engineered for 2.5L Altima header applications.\u003c\/strong\u003e This is your sealing layer between manifold and header—critical for preventing exhaust leaks and maintaining backpressure. Built to handle thermal cycling without degradation.\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✓ Aluminum Construction\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\u003eAluminum core\u003c\/strong\u003e - Resists warping under sustained heat cycles better than composite alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-spec thickness\u003c\/strong\u003e - Matches factory gasket profile for direct installation fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-unit design\u003c\/strong\u003e - No assembly required; ready to install out of the box\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: Aluminum\u003c\/li\u003e\n\u003cli\u003eConfiguration: Single exhaust header gasket\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\u003e1x Exhaust header gasket\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 mounting surface before installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Scrape away old gasket material and carbon buildup from both the manifold and header flanges with a gasket scraper or plastic tool. A clean, flat surface ensures a proper seal and prevents leaks down the road.\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 just the stock manifold?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis gasket is designed for factory header applications on the 2.5L. If you're running a custom or performance header, verify that the bolt pattern and flange thickness match before committing to installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the return window if the gasket doesn't seal properly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eContact ModSupply customer service with photos of the installation and any leak location. Returns and exchanges are handled case-by-case based on fitment verification and installation method.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":54605029146929,"sku":"K2-4472-NIS-006-TSARK","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/GKT-A-HD-NA02-L4.jpg?v=1781492628","url":"https:\/\/acmtechnik.com\/products\/02-06-nissan-altima-2-5l-4cyl-aluminum-exhaust-header-gasket","provider":"ACM Technik LLC","version":"1.0","type":"link"}