{"product_id":"90-91-acura-integra-4-1-style-performance-header-stainless-steel","title":"90-91 Acura Integra 4-1 Style Performance Header - Stainless Steel","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e90-91 Acura Integra 4-1 Style Performance Header — Stainless Steel\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eStainless steel 4-1 header engineered to improve exhaust scavenging and flow on your DA platform Integra.\u003c\/strong\u003e Purpose-built geometry merges four runners into one collector for cleaner power delivery across the RPM band. Corrosion-resistant construction handles heat cycles without degradation.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Stainless Steel Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ 4-1 Collector Design\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\u003e4-1 Merge Collector\u003c\/strong\u003e - Reduces backpressure and improves cylinder scavenging versus stock cast iron manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Construction\u003c\/strong\u003e - Resists rust and thermal cycling without coating failure or flaking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Tuned Runners\u003c\/strong\u003e - Optimized diameter and length for DA-series naturally aspirated power\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\u003eConfiguration: 4-1 Collector Design\u003c\/li\u003e\n\u003cli\u003eCondition: New\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\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 new gaskets and bolts when installing this header?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes—you'll want fresh header gaskets to seal properly at the head. Reusing old gaskets risks exhaust leaks. Mounting bolt spec depends on your engine's service manual; have those on hand before you start.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I bolt this directly to stock exhaust, or do I need new piping?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe collector outlet diameter determines what fits downstream. Test-fit the header to your existing exhaust before final install—you may need an adapter or custom section to avoid gaps or interference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this header need ceramic coating or heat wrap?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStainless resists corrosion on its own, but heat management is up to you. Many builders wrap headers for underhood temperature control and sound isolation—neither is required, but both improve longevity and comfort.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":48609980350647,"sku":"K2-4763-HON-006-EC","price":159.99,"currency_code":"USD","in_stock":false}],"url":"https:\/\/milkymotorsports.com\/products\/90-91-acura-integra-4-1-style-performance-header-stainless-steel","provider":"Milky Motorsports","version":"1.0","type":"link"}