{"product_id":"mercedes-benz-w218-cls63-amg-m157-5-5l-valved-catback-exhaust-system","title":"Mercedes-Benz W218 CLS63 AMG M157 5.5L Valved Catback Exhaust System","description":"\u003ch2\u003eThe Ultimate BiTurbo V8 Symphony — CEES Mercedes-Benz W218 CLS63 AMG M157 Valved Catback Exhaust System\u003c\/h2\u003e\n\u003cp\u003eTransform the driving dynamics and acoustic profile of your Mercedes-Benz W218 CLS63 AMG with the CEES Valved Catback Exhaust System. Specifically engineered for the M157 5.5L V8 BiTurbo engine, this premium exhaust replaces the restrictive factory mufflers to deliver a deep, aggressive AMG growl under hard acceleration, while maintaining a refined, drone-free cabin during daily cruising.\u003c\/p\u003e\n\u003ch3\u003e🚀 Engineering Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eElectronic Valve Control:\u003c\/b\u003e Complete control over your exhaust note. Utilizing high-torque electronic valve actuators and an included wireless remote, switch instantly between a subdued \"Comfort\" mode and a raw, unrestricted \"Sport\" mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Flow 76mm Architecture:\u003c\/b\u003e Precision mandrel-bent 76mm (3-inch) piping optimizes exhaust gas velocity, significantly reducing backpressure to sharpen throttle response and unleash hidden horsepower from the BiTurbo V8.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaster-Tier TIG Craftsmanship:\u003c\/b\u003e Hand-welded from your choice of premium T304 Stainless Steel or ultra-lightweight Grade 5 Titanium to withstand extreme thermal loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Fitment:\u003c\/b\u003e Engineered via high-definition 3D chassis scanning for a direct bolt-on installation—integrates perfectly with factory downpipes or CEES upgraded downpipes.\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\u003e2012–2018 Mercedes-Benz CLS63 AMG (W218) - M157 5.5L V8 BiTurbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePiping Diameter\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e76mm (3-inch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial Options\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium T304 Stainless Steel \/ Ultra-Lightweight Grade 5 Titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eValve Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eElectronic Valve with wireless remote controller kit included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e100% direct bolt-on (Catback configuration)\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\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\u003eCatback exhaust system + electronic valve controllers + all necessary 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📦 \u003cstrong\u003eFree shipping\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003e1. Will this exhaust cause a check engine light (CEL)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eNo. As a catback exhaust system, it installs after the factory catalytic converters. It will not alter emissions parameters or trigger a check engine light.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. What is the difference between SS304 and Titanium?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe T304 Stainless Steel version offers excellent durability and a deep, traditional V8 rumble. The Grade 5 Titanium version provides massive weight savings and produces a slightly higher-pitched, more exotic exhaust note.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. Do I need an ECU tune with this catback system?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAn ECU tune is not required for a catback exhaust installation. However, pairing this exhaust with CEES high-flow downpipes and a Stage 2 tune will maximize your AMG's performance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4. Are you a direct manufacturer?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes — as a \u003cb\u003edirect manufacturer\u003c\/b\u003e based in Guangdong, China, we eliminate middlemen to deliver premium, track-tested exhaust systems with strict in-house quality control and competitive pricing.\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":"SS304 catback （Silver tips）","offer_id":44237113819251,"sku":"sus304 catback","price":1390.0,"currency_code":"USD","in_stock":true},{"title":"SS304 catback （Black tips）","offer_id":44237113852019,"sku":"Full Exhaust","price":1390.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Catback （Silver tips）","offer_id":45447644446835,"sku":null,"price":2130.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Catback （Black tips）","offer_id":45447644479603,"sku":null,"price":2130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/0a894179217fa3518bd50d8351d4d982.jpg?v=1768814895","url":"https:\/\/cees-exhaust.com\/nn\/products\/mercedes-benz-w218-cls63-amg-m157-5-5l-valved-catback-exhaust-system","provider":"ceesexhaust","version":"1.0","type":"link"}