{"product_id":"porsche-cayenne-958-4-8t-heat-shield-downpipe-exhaust-system2010-2017","title":"Porsche Cayenne 958 4.8T Heat Shield Downpipe Exhaust System(2010-2017)","description":"\u003ch2\u003eUnleash Maximum Turbo Spool \u0026amp; Thermal Efficiency — CEES Porsche Cayenne 958 4.8T Heat Shield Downpipe System\u003c\/h2\u003e\n\u003cp\u003eMaximize exhaust gas velocity, sharpen turbocharger spool, and protect your engine bay with the \u003cstrong\u003eCEES High-Flow Heat-Shielded Sport Downpipe Exhaust System\u003c\/strong\u003e, engineered exclusively for the \u003cstrong\u003ePorsche Cayenne 958 4.8T Turbo \u0026amp; Turbo S (2010–2017)\u003c\/strong\u003e. Replacing the highly restrictive factory catalytic converters directly downstream of the twin turbochargers, this race-proven catless downpipe drastically reduces backpressure while our integrated embossed stainless steel thermal heat shield lowers under-hood temperatures. Every order includes \u003cstrong\u003e2 complimentary O2 sensor spacers (CEL Fix)\u003c\/strong\u003e to prevent check engine lights on your twin-bank V8.\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\u003cstrong\u003eIntegrated Thermal Heat Shielding:\u003c\/strong\u003e Encased in high-grade embossed stainless steel heat shielding with high-density thermal insulation, significantly reducing under-hood radiant heat and protecting sensitive engine wiring, hoses, and turbo components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrastic Backpressure Reduction:\u003c\/strong\u003e Smooth mandrel-bent oversized stainless steel tubing accelerates exhaust gas evacuation directly from the turbo turbine outlets, unlocking rapid boost onset and increased horsepower and torque across the powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplimentary CEL Fix Included:\u003c\/strong\u003e Includes \u003cstrong\u003e2 complimentary O2 sensor spacers (CEL Fix)\u003c\/strong\u003e designed specifically for the twin-bank V8 configuration to minimize the chance of triggering catalytic efficiency check engine lights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrack-Grade T304 Stainless Steel:\u003c\/strong\u003e Handcrafted from premium heat-resistant T304 stainless steel with precision TIG welds for extreme thermal tolerance and long-term corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3D Laser-Scanned OEM Fitment:\u003c\/strong\u003e 100% bolt-on replacement utilizing factory turbocharger flanges and bracket locations without requiring cutting or modification.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/958-14.jpg?v=1792735938\" alt=\"\"\u003e\n\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• 2010–2017 Porsche Cayenne Turbo (4.8L Twin-Turbo V8)\u003cbr\u003e• 2012–2017 Porsche Cayenne Turbo S (4.8L Twin-Turbo V8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eChassis Compatibility\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePorsche Cayenne 958 (Fits both 958.1 \u0026amp; 958.2 4.8T platforms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e4.8L Twin-Turbocharged V8\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-Flow Heat-Shielded Sport Downpipe (Pair — Left \u0026amp; Right Banks)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eConfiguration\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCatless \/ Decat High-Flow Racing Downpipe with Integrated Thermal Heat Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAerospace-Grade T304 Stainless Steel with Embossed Thermal Insulation Shielding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCEL Protection\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eIncludes 2 complimentary O2 sensor spacers (CEL Fix)\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\u003eWhat's Included\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eLeft \u0026amp; right heat-shielded downpipes, 2x O2 sensor spacers (CEL Fix), high-temp gaskets, and 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 (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. Will these catless downpipes trigger a Check Engine Light (CEL)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eRemoving factory primary catalytic converters can cause catalytic efficiency error codes on the secondary oxygen sensors. To resolve this, CEES includes \u003cb\u003e2 complimentary O2 sensor spacers (CEL Fix)\u003c\/b\u003e with every twin-bank V8 downpipe order to pull the secondary sensors out of direct gas flow and prevent CEL warnings.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Why is thermal heat shielding important for the Cayenne 958 4.8T?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4.8L Twin-Turbo V8 engine bay generates intense thermal loads. Our integrated embossed stainless steel heat shield retains heat inside the exhaust stream—accelerating exhaust gas velocity while dramatically dropping ambient under-hood temperatures to protect surrounding plastics, hoses, and wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Is cutting or welding required during installation?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. These downpipes are engineered to match factory 3D-scanned OEM turbo flange dimensions across all 2010–2017 Cayenne 958 Turbo models. 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 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":"ceesexhaust","offers":[{"title":"Downpipe and Secondary Cat Exhaust \/ Catless Downpipe","offer_id":66983303708787,"sku":null,"price":1280.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe and Secondary Cat Exhaust \/ High-Flow Catted Downpipe (100 cell)","offer_id":66983303741555,"sku":null,"price":1480.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe and Secondary Cat Exhaust \/ High-Flow Catted Downpipe (200 cell)","offer_id":66983303774323,"sku":null,"price":1480.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe and Secondary Cat Exhaust \/ High-Flow Catted Downpipe (300 cell)","offer_id":66983303807091,"sku":null,"price":1480.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe Exhaust \/ Catless Downpipe","offer_id":66983303839859,"sku":null,"price":710.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe Exhaust \/ High-Flow Catted Downpipe (100 cell)","offer_id":66983303872627,"sku":null,"price":900.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe Exhaust \/ High-Flow Catted Downpipe (200 cell)","offer_id":66983303905395,"sku":null,"price":900.0,"currency_code":"USD","in_stock":true},{"title":"Downpipe Exhaust \/ High-Flow Catted Downpipe (300 cell)","offer_id":66983303938163,"sku":null,"price":900.0,"currency_code":"USD","in_stock":true},{"title":"Secondary Cat Exhaust \/ Catless Downpipe","offer_id":66983303970931,"sku":null,"price":710.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/cayenne_958_downpipe.jpg?v=1792737466","url":"https:\/\/cees-exhaust.com\/ja\/products\/porsche-cayenne-958-4-8t-heat-shield-downpipe-exhaust-system2010-2017","provider":"ceesexhaust","version":"1.0","type":"link"}