{"product_id":"1997-2005-audi-2-7l-b5-c5-bi-turbo-stainless-steel-header","title":"1997-2005 Audi 2.7L B5 C5 Bi-Turbo Stainless Steel Header","description":"\u003cdiv class=\"product-container\"\u003e\n\u003ch6 class=\"product-title\"\u003e1997–2005 Audi 2.7L B5 C5 Bi-Turbo Stainless Steel Header\u003c\/h6\u003e\n\u003cdiv class=\"product-intro\"\u003e\n\u003cp class=\"lead-text\"\u003e\u003cstrong\u003eMandrel-bent stainless steel header designed for the 2.7L twin-turbo engine with equal-length runners for optimal scavenging.\u003c\/strong\u003e Built from 304 stainless to resist corrosion and thermal cycling. Direct bolt-on design minimizes custom fitment work.\u003c\/p\u003e\n\u003cdiv class=\"trust-indicators\"\u003e\n\u003cspan class=\"badge\"\u003e✓ Stainless Steel Construction\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Equal-Length Runners\u003c\/span\u003e \u003cspan class=\"badge\"\u003e✓ Direct Bolt-On Fit\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\u003eEqual-length primary tubes\u003c\/strong\u003e — Keeps exhaust pulse timing consistent across cylinders, reducing back-pressure and supporting power delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-bent design\u003c\/strong\u003e — Smooth bends eliminate turbulence and flow restrictions that stock restrictive bends create.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304 stainless material\u003c\/strong\u003e — Resists thermal stress and corrosion from repeated heating cycles and condensation.\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: Mandrel-bent, equal-length primary tubes\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 only\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\u003eDoes this require any welding or modification to install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo welding needed — this is a bolt-on header. You'll connect it to the turbo inlet and exhaust system using factory mounting points. Verify all bolt holes align before final assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eWill I need a new gasket and hardware to complete the install?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe header itself comes bare. Source a quality exhaust gasket rated for bi-turbo applications and stainless steel bolts appropriate for your system — these are not included and vary by your existing exhaust configuration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp\u003e\u003cstrong\u003eCan I paint or coat this after installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStainless steel doesn't require coating for durability, but if you want a finished look, heat-resistant ceramic or high-temp coating can be applied post-install. Let any finish cure fully before first heat cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"K2 Industries","offers":[{"title":"Default Title","offer_id":54605109428529,"sku":"K2-4776-AUD-006-EC","price":229.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/5727\/5441\/files\/HDS-AUDIB5C5-27L-2.jpg?v=1781492990","url":"https:\/\/acmtechnik.com\/products\/1997-2005-audi-2-7l-b5-c5-bi-turbo-stainless-steel-header","provider":"ACM Technik LLC","version":"1.0","type":"link"}