Mercedes AMG GT63 / GT63 S (X290) 4.0T Valved Sport Catback Exhaust System (2019-2023)

Unleash Maximum Flow & AMG V8 BiTurbo Roar — CEES Mercedes-AMG GT63 / GT63 S (X290) 4.0T Valved Sport Catback Exhaust System

Transform the acoustic personality and exhaust gas velocity of your high-performance 4-door coupe with the CEES Valved Sport Catback Exhaust System, engineered exclusively for the Mercedes-AMG GT63 & GT63 S 4-Door Coupe (X290) 4.0T V8 BiTurbo (2019–2023). Precision-crafted for the M177 4.0L twin-turbocharged V8 engine, this system combines oversized mandrel-bent tubing with flexible valve control options. Effortlessly toggle between quiet, drone-free executive cruising and an aggressive, unrestricted AMG V8 BiTurbo acoustic roar.

🚀 Engineering Highlights

• Flexible Dual Valve Control Options:
  • CEES Electronic Valve System (with Wireless Remote Control): Includes high-temperature electronic actuator valves, plug-and-play 12V wiring harness, and dual wireless remote key fobs. Open or close the valves instantly at any time with the press of a button.
  • OEM Valve Compatible (Retain Factory AMG Control): Precision-engineered mounting brackets allow direct transfer of your factory Mercedes-AMG electronic actuators, seamlessly integrating with OEM AMG Dynamic Select drive modes and center-console/steering wheel exhaust buttons.
• Optimized V8 BiTurbo Exhaust Scavenging: Smooth mandrel-bent piping drastically minimizes exhaust backpressure, accelerating twin-turbo spool and sharpening throttle response across the entire rev range.
• Available in T304 Stainless Steel or Ultralight Titanium Alloy: Choose between rugged aerospace-grade T304 stainless steel or ultralight titanium alloy for dramatic weight reduction (up to 45% lighter than OEM) and an exotic high-frequency motorsport acoustic tone.
• Acoustic Drone-Free Chamber Tuning: Advanced internal silencer packing engineered to eliminate highway low-frequency cabin resonance while amplifying an authentic mechanical exhaust note under acceleration.
• 3D Laser-Scanned OEM Fitment: 100% bolt-on replacement utilizing factory mounting points and exhaust hangers without cutting, welding, or rear-bumper modification.

📊 Technical Specifications

✨ Bespoke Your Build — Chat with Our Specialists on WhatsApp

• WhatsApp: +86 15626172519
• Email: cees-exhaust@qq.com

📦 Shipping & Lead Times

• 🛠️ Production Time: Built to order in 2–4 weeks (in-stock options ship in 6–12 business days)
• 🚚 Shipping: Premium express via DHL / FedEx / UPS — estimated 7–15 business days to your door
• 📦 Free shipping

FAQ

1. How do the exhaust valves operate on this Mercedes-AMG GT63 / GT63 S system?

You can choose between two valve setups:
• CEES Electronic Valves: Operates independently with our included wireless remote key fobs, allowing you to open or close the valves instantly at any time with the press of a button.
• OEM Valve Actuators: Directly mounts your original Mercedes-AMG factory valve actuators, retaining seamless control through the factory AMG Dynamic Select drive mode switches and steering wheel exhaust button.

2. Will installing this catback exhaust trigger a Check Engine Light (CEL)?

No. This valved catback exhaust installs downstream of the factory catalytic converters and oxygen sensors. It does not alter emissions equipment or trigger error codes.

3. Is cutting or welding required during installation?

No. 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).

4. Are you a direct manufacturer?

Yes — CEES Exhaust is a direct manufacturer based in Guangdong, China. We laser-scan, bend, and TIG-weld every exhaust component in our factory with rigorous quality inspection.