{"product_id":"porsche-718-cayman-gt4-gts-spyder-4-0l-exhaust-manifold-headers","title":"Porsche 718 Cayman GT4 \/ GTS \/ Spyder 4.0L Exhaust Manifold Headers","description":"\u003ch2\u003eUnleash Maximum Flow \u0026amp; Flat-Six Acoustic Purity — CEES Porsche 718 4.0L Performance Exhaust Manifold Headers\u003c\/h2\u003e\n\u003cp\u003eMaximize the exhaust scavenging and acoustic velocity of your naturally aspirated Porsche with \u003cstrong\u003eCEES Performance Exhaust Manifold Headers\u003c\/strong\u003e, engineered exclusively for the \u003cstrong\u003ePorsche 718 Cayman GT4, GTS 4.0, Boxster GTS 4.0, and 718 Spyder (4.0L Flat-6 9A2 Evo)\u003c\/strong\u003e. Replacing the restrictive factory exhaust manifold runners, this long-tube merge-collector system dramatically optimizes exhaust gas expulsion, sharpens throttle response across the entire rev band, and unlocks the raw, visceral high-pitch motorsport soundtrack this 4.0L boxer engine was built to deliver.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/100-200-300_076da81c-241b-40f7-96b2-04314d2b3eab.jpg?v=1767343424\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e🚀 Engineering Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEqual-Length Long-Tube Geometry:\u003c\/b\u003e Precision-engineered runner lengths ensure synchronized exhaust pulses, dramatically improving cylinder evacuation, minimizing exhaust backpressure, and generating broad mid-range torque and top-end horsepower gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Velocity Merge Collectors:\u003c\/b\u003e Pyramid merge collectors guide high-velocity exhaust gases smoothly into the over-axle pipes without turbulent bottlenecks or energy loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrack-Grade T304 Stainless Steel Construction:\u003c\/b\u003e Crafted from aerospace-grade, mandrel-bent T304 stainless steel tubing with hand-finished TIG welds and thick CNC-machined flanges to withstand extreme endurance track temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Emission \u0026amp; Sound Options:\u003c\/b\u003e Available as unrestricted \u003cb\u003eCatless Race Headers\u003c\/b\u003e for all-out competition sound and power, or \u003cb\u003eSport Headers with High-Flow Catalytic Converters (100 \/ 200 \/ 300 Cell)\u003c\/b\u003e for balanced emissions control and aggressive tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLaser-Scanned OEM Precision Fit:\u003c\/b\u003e 100% bolt-on replacement directly onto factory engine cylinder heads, connecting seamlessly to OEM over-axle pipes (OAP) or aftermarket link pipes.\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• 2019–2024 Porsche 718 Cayman GT4 \u003cbr\u003e• 2020–2024+ Porsche 718 Cayman GTS 4.0 \u003cbr\u003e• 2020–2024+ Porsche 718 Boxster GTS 4.0 \u003cbr\u003e• 2019–2024 Porsche 718 Spyder \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0L Naturally Aspirated Boxer-6 (Porsche 9A2 Evo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eAvailable Configurations\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e• \u003cb\u003eRace Headers:\u003c\/b\u003e Catless competition long-tube headers for maximum flow \u0026amp; acoustic volume\u003cbr\u003e• \u003cb\u003eSport Headers (High-Flow Catted):\u003c\/b\u003e Equipped with premium 100-cell, 200-cell, or 300-cell high-flow metallic catalytic cores\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium Mandrel-Bent T304 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\u003e100% bolt-on installation allows a return to stock at any time. (Reuses factory outlets)\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\u003ePackage Includes\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePair of exhaust manifold headers (left \u0026amp; right banks), and heavy-duty 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📦 Production \u0026amp; Shipping\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 (in-stock options ship in 6–12 business days)\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. What performance gains can I expect from CEES 718 4.0L Headers?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBy replacing the restrictive factory manifolds with equal-length runners and high-velocity merge collectors, backpressure is significantly reduced. This allows the 4.0L flat-six engine to breathe freely, delivering noticeable horsepower and torque improvements throughout the mid-to-high RPM range along with razor-sharp throttle response.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. What is the difference between Race Headers and Sport Headers?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eRace Headers are completely catless (no catalytic converters), offering maximum flow, lightest weight, and the loudest, rawest track-focused exhaust scream. Sport Headers incorporate high-flow metallic catalytic converters (100, 200, or 300 cell) that reduce exhaust odor and soften emissions while still providing vastly improved airflow over factory manifolds.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Is this header system compatible with the factory exhaust and over-axle pipes?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The CEES Exhaust Manifold Headers are 100% bolt-on and bolt directly to factory Porsche cylinder heads, mating perfectly with either OEM over-axle pipes (OAP) or CEES high-flow link pipes and valved catback exhaust systems.\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 design, laser-scan, bend, and hand-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":"cees exhaust","offers":[{"title":"Catless Headers","offer_id":42722561163379,"sku":"SUS304 Catback","price":1350.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (100 cell)","offer_id":42722561196147,"sku":"Full Exhaust","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (200 cell)","offer_id":42722561228915,"sku":"with catalyst Downpipe","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (300 cell)","offer_id":44925537845363,"sku":null,"price":1750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/porsche_718_headers.jpg?v=1791882104","url":"https:\/\/cees-exhaust.com\/no\/products\/porsche-718-cayman-gt4-gts-spyder-4-0l-exhaust-manifold-headers","provider":"ceesexhaust","version":"1.0","type":"link"}