{"product_id":"porsche-911-997-1-carrera-3-6l-3-8l-exhaust-headers-2004-2008","title":"Porsche 911 (997.1) Carrera 3.6L \/ 3.8L Exhaust Headers (2004–2008)","description":"\u003ch2\u003eCEES High-Performance Exhaust Headers for Porsche 911 (997.1) Carrera \/ Carrera S\u003c\/h2\u003e\n\u003cp\u003eUnleash the iconic flat-six exhaust rumble and maximize exhaust gas velocity on your Porsche 911 (997.1) Carrera. Precision engineered from mandrel-bent aerospace-grade T304 stainless steel, CEES high-flow 3-into-1 performance headers feature smooth, free-flowing primary runners and high-efficiency merge collectors designed to eliminate exhaust backpressure, sharpen throttle response, and extract peak performance across the RPM band.\u003c\/p\u003e\n\u003ch3\u003e🚀 Engineering Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow 3-into-1 Runner Design:\u003c\/strong\u003e Engineered with smooth mandrel-bent primary tubes to maximize exhaust scavenging and reduce cylinder backpressure, improving low-to-mid range torque and throttle sensitivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Merge Collectors:\u003c\/strong\u003e Precision-fabricated merge collectors provide a smooth transition for exhaust pulses entering the catalytic crossover sections, minimizing turbulence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT304 Stainless Steel:\u003c\/strong\u003e Handcrafted with robust CNC-machined flanges and back-purged TIG welds for lifetime structural durability against extreme heat cycling and track use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Flat-Six Exhaust Note:\u003c\/strong\u003e Amplifies the raw, throaty Porsche boxer tone under acceleration while maintaining a clean, drone-free cabin environment during cruising.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Laser-Scanned OEM Fitment:\u003c\/strong\u003e 100% bolt-on replacement directly mating with OEM cylinder head ports and factory or aftermarket catalytic downpipe crossover sections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFitment\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e• 2004–2008 Porsche 911 (997.1) Carrera 3.6L\u003cbr\u003e• 2004–2008 Porsche 911 (997.1) Carrera S 3.8L\u003cbr\u003e• 2005–2008 Porsche 911 (997.1) Carrera 4 \/ Carrera 4S (3.6L \/ 3.8L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eNaturally Aspirated Flat-6 (M96.05 3.6L \/ M97.01 3.8L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Performance Exhaust Headers (Exhaust Manifold)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePlug and Play\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePlace of Origin\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGuangdong, China (Direct Manufacturer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Year Limited Warranty against manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWhat's Included\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1x Pair of T304 Stainless Steel Headers (Left \u0026amp; Right Banks),  Mounting Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e\u003ca style=\"display: inline-block; background-color: #25d366; color: #ffffff; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: bold; font-size: 16px;\" rel=\"noopener noreferrer\" href=\"https:\/\/wa.me\/8615626172519\" target=\"_blank\"\u003e✨ Bespoke Your Build — Chat with Our Specialists on WhatsApp\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWhatsApp:\u003c\/b\u003e +86 15626172519\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEmail:\u003c\/b\u003e cees-exhaust@qq.com\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 Shipping \u0026amp; Lead Times\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e🛠️ Production Time:\u003c\/b\u003e Built to order in \u003cb\u003e2–4 weeks\u003c\/b\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e🚚 Shipping:\u003c\/b\u003e Premium express via DHL \/ FedEx \/ UPS — estimated \u003cb\u003e7–15 business days\u003c\/b\u003e to your door\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e📦 Free shipping\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003e1. Will these headers fit both the 3.6L Carrera and 3.8L Carrera S?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The cylinder head exhaust port spacing and mounting bolt patterns are identical on both the M96.05 (3.6L) and M97.01 (3.8L) naturally aspirated engines across all 997.1 Carrera models.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Will installing these headers trigger a Check Engine Light (CEL)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. On the Porsche 997.1 Carrera, the primary catalytic converters and oxygen (O2) sensors are located downstream in the crossover cat pipes, not within the headers. Replacing the exhaust manifold headers preserves factory O2 sensor monitoring without throwing error codes.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Is cutting or welding required during installation?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. 100% bolt-on installation allows a return to stock at any time. (Reuses factory outlets).\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4. Are you a direct manufacturer?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes — CEES Exhaust is a \u003cb\u003edirect manufacturer\u003c\/b\u003e based in Guangdong, China. We laser-scan, bend, and TIG-weld every exhaust component in our factory with rigorous quality inspection.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/e8d359b7ce873530e19a12cff70af115.jpg?v=1783407649\" alt=\"CEES Exhaust Direct Manufacturer Guangdong\"\u003e\u003c\/p\u003e","brand":"ceesexhaust","offers":[{"title":"Default Title","offer_id":40784196272243,"sku":"","price":1050.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/997.1-3.jpg?v=1793157678","url":"https:\/\/cees-exhaust.com\/it\/products\/porsche-911-997-1-carrera-3-6l-3-8l-exhaust-headers-2004-2008","provider":"ceesexhaust","version":"1.0","type":"link"}