{"product_id":"mercedes-amg-a45s-cla45s-gla45-2-0t-downpipe-exhaust-system","title":"Mercedes-AMG A45S \/ CLA45S \/ GLA45 2.0T Downpipe Exhaust System (2020-2026, W177\/C118)","description":"\u003ch2\u003eMaximum Flow \u0026amp; M139 Turbo Spool — CEES Mercedes-Benz W177 A45S \/ C118 CLA45S \/ H247 GLA45 2.0T Downpipe Exhaust System\u003c\/h2\u003e\n\u003cp\u003eUnleash the full acoustic and power potential of your 2020–2026 Mercedes-AMG A45S (W177), CLA45 \/ CLA45S (C118), and GLA45 (H247) equipped with the hand-crafted M139 2.0T engine. The CEES high-performance downpipe replaces the restrictive factory catalytic converter, drastically reducing turbo backpressure and lowering exhaust gas temperatures (EGT) for faster turbo spool, sharper throttle response, and a fierce AMG exhaust crackle.\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\u003eOptimized M139 Exhaust Velocity:\u003c\/b\u003e Oversized smooth mandrel-bent tubing reduces backpressure directly off the twin-scroll turbocharger, improving low-to-mid range boost response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnhanced AMG Soundtrack:\u003c\/b\u003e Produces a deeper, more aggressive tone with pronounced upshift pops and overrun crackles while maintaining daily refinement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaster-Tier SS304 Craftsmanship:\u003c\/b\u003e Expertly TIG-welded from premium heavy-duty T304 Stainless Steel for extreme thermal durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Bolt-On Fitment:\u003c\/b\u003e Engineered via 3D scanning to fit OEM mounting points, brackets, and hangers without requiring cutting or modification.\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\u003e2020–2026 Mercedes-AMG A45 \/ A45S (W177), CLA45 \/ CLA45S (C118), GLA45 \/ GLA45S (H247)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEngine\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eM139 2.0L Turbocharged Inline-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eComponent Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Downpipe (Catless \/ High-Flow Catted options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePremium T304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInstallation Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Bolt-on Replacement for Factory Downpipe\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\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\u003eDownpipe + Installation 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 Express air freight via DHL \/ FedEx \/ UPS — estimated \u003cb\u003e7–15 business days\u003c\/b\u003e door-to-door\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003e1. Will this downpipe cause a Check Engine Light (CEL)?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBecause high-flow or catless downpipes alter exhaust flow, a Stage 2 ECU tune or an O2 sensor spacer is recommended to prevent a CEL and achieve maximum power gains.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Does it fit A45S, CLA45S, and GLA45?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes. All W177 A45\/A45S, C118 CLA45\/CLA45S, and H247 GLA45 models share the identical M139 2.0T engine architecture and downpipe routing.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. What are the performance gains?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eRemoving the restrictive factory downpipe allows the twin-scroll turbocharger to spool up significantly faster, delivering sharper throttle response and noticeable horsepower and torque increases across the rev range.\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":"Catless Downpipe","offer_id":44125254123635,"sku":null,"price":420.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (100 cell)","offer_id":44125254156403,"sku":null,"price":530.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (200 cell)","offer_id":45468505669747,"sku":null,"price":530.0,"currency_code":"USD","in_stock":true},{"title":"High-Flow Catted (300 cell)","offer_id":45468505702515,"sku":null,"price":530.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/cla45-1.jpg?v=1789007192","url":"https:\/\/cees-exhaust.com\/ja\/products\/mercedes-amg-a45s-cla45s-gla45-2-0t-downpipe-exhaust-system","provider":"ceesexhaust","version":"1.0","type":"link"}