{"product_id":"mercedes-amg-gt63-gt63-s-x290-4-0t-heat-shield-downpipe-exhaust-system-2019-2023","title":"Mercedes AMG GT63 \/ GT63 S (X290) 4.0T Heat Shield Downpipe Exhaust System (2019-2023)","description":"\u003ch2\u003eUnlock Maximum Turbo Spool \u0026amp; Thermal Protection — CEES Mercedes-AMG GT63 \/ GT63 S (X290) 4.0T Heat Shield Downpipe Exhaust System\u003c\/h2\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/tkG78GTs4ho\" title=\"Mercedes AMG GT63 catless downpipe exhaust sound\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003eUnlock maximum exhaust gas velocity, sharpen twin-turbo spool, and drastically reduce engine bay thermal stress with the \u003cstrong\u003eCEES High-Flow Thermal Heat Shield Downpipe Exhaust System\u003c\/strong\u003e, engineered exclusively for the \u003cstrong\u003eMercedes-AMG GT63 \u0026amp; GT63 S 4-Door Coupe (X290) 4.0T V8 BiTurbo (2019–2023)\u003c\/strong\u003e. Designed for the high-output M177 \"Hot-Inside V\" 4.0L engine platform, these downpipes replace restrictive factory ceramic catalytic converters with oversized mandrel-bent T304 stainless steel piping wrapped in high-temperature thermal insulation. Choose between competition catless or high-flow 100-cell, 200-cell, or 300-cell catalytic converter configurations.\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\u003eIntegral Thermal Heat Shield Insulation:\u003c\/strong\u003e The M177 utilizes a \"Hot-V\" layout where the twin turbos and downpipes sit inside the engine cylinder valley. CEES downpipes feature advanced multi-layer thermal heat shielding that locks in exhaust gas heat, drastically lowering under-hood temperatures, protecting surrounding wiring harnesses and hoses, and accelerating turbo spool through preserved exhaust heat energy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrastic Backpressure Reduction:\u003c\/strong\u003e Smooth mandrel-bent T304 stainless steel piping eliminates factory catalytic bottlenecks, allowing rapid exhaust gas evacuation, faster boost onset, and significant gains in horsepower and torque across the entire powerband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Metallic Catalytic \u0026amp; Catless Options:\u003c\/strong\u003e Available in competition catless (maximum flow velocity and aggressive V8 exhaust crackles) or high-flow metallic substrate catalytic converters (100-cell, 200-cell, or 300-cell) balancing performance flow with emissions odor reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplimentary CEL Fix Spacers Included:\u003c\/strong\u003e Because the AMG GT63 utilizes a twin-bank V8 platform with two separate downpipe banks, \u003cstrong\u003e2 complimentary oxygen sensor spacers (CEL Fix)\u003c\/strong\u003e are included to suppress downstream catalytic check engine light triggers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision 3D Laser-Scanned OEM Fitment:\u003c\/strong\u003e 100% bolt-on replacement utilizing factory turbo V-band flanges, secondary exhaust slip-joints, and bracket locations without cutting or welding.\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• 2019–2023 Mercedes-AMG GT63 4-Door Coupe (X290 4.0T V8 BiTurbo M177)\u003cbr\u003e• 2019–2023 Mercedes-AMG GT63 S 4-Door Coupe (X290 4.0T V8 BiTurbo M177)\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 Twin-Turbocharged V8 (M177 BiTurbo Petrol Engine)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eChassis Code\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz X290 (AMG GT 4-Door Coupe Platform)\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 Downpipe Exhaust System with Integral Heat Shielding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eConfiguration Options\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e• Competition Catless Downpipes\u003cbr\u003e• High-Flow Metallic Catted Downpipes (100-Cell \/ 200-Cell \/ 300-Cell)\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 Mandrel-Bent T304 Stainless Steel + Multi-Layer Thermal Heat Shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCEL Fix\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003e2 Complimentary O2 Sensor Spacers (CEL Fix)\u003c\/b\u003e included with every order\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 downpipe assemblies with integral thermal heat shields, 2x O2 sensor spacers, 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. Why is thermal heat shielding essential on the AMG GT63 M177 V8?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe Mercedes-AMG M177 engine uses a \"Hot-Inside V\" layout where both turbochargers and downpipes reside inside the cylinder bank valley. Integrated multi-layer heat shielding locks extreme thermal energy inside the exhaust tract, dramatically reducing under-hood ambient heat, protecting critical wiring harnesses and sensors, and speeding up turbocharger spool.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Will installing these downpipes cause a Check Engine Light (CEL)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThere may be a fault indicator light. But we  include \u003cb\u003e2 complimentary O2 sensor spacers (CEL Fix)\u003c\/b\u003e to help prevent downstream oxygen sensor trigger 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. The exhaust is precision-engineered to factory 3D-scanned OEM mounting locations. 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":"no cat dwonpipe","offer_id":44258205171827,"sku":"no cat dwonpipe","price":660.0,"currency_code":"USD","in_stock":true},{"title":"with cat 100cell dwonpipe","offer_id":44258205204595,"sku":"with cat 100cell dwonpipe","price":880.0,"currency_code":"USD","in_stock":true},{"title":"with cat 200cell dwonpipe","offer_id":44258205237363,"sku":"with cat 200cell dwonpipe","price":880.0,"currency_code":"USD","in_stock":true},{"title":"with cat 300cell dwonpipe","offer_id":44258205270131,"sku":"with cat 300cell dwonpipe","price":880.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/728f2d23df5f44d13181163b53593e00.jpg?v=1769669826","url":"https:\/\/cees-exhaust.com\/th\/products\/mercedes-amg-gt63-gt63-s-x290-4-0t-heat-shield-downpipe-exhaust-system-2019-2023","provider":"ceesexhaust","version":"1.0","type":"link"}