Mercedes-AMG GT / GTS / GTC / GTR (C190)

Valved Dual 3” Cat-Back Exhaust System

Fits 2015–2023 Models

The C190 AMG GT platform represents one of the most aggressive expressions of modern AMG engineering. Powered by the handcrafted 4.0L twin-turbo M178 V8, it delivers immense torque and presence. However, the factory exhaust system limits the engine's full acoustic potential. This cat-back system is engineered to remove that limitation while maintaining complete OEM integration and everyday usability.

Built around a true dual 3-inch mandrel-bent architecture, this system significantly improves exhaust flow and reduces backpressure. The increased diameter allows the twin-turbo V8 to breathe more efficiently under load, sharpening throttle response and supporting higher output levels for tuned applications. The larger piping also enhances turbo spooling, giving the driver a more mechanical, connected driving experience.

At the center of the design is a precision double H-pipe crossover. Unlike X-pipe systems that emphasize higher-pitched harmonics, the double H-pipe maintains the deep, muscular character that defines AMG V8 performance. This configuration balances exhaust pulses between banks while preserving low-frequency depth, resulting in a richer mid-range tone and a more authoritative high-RPM presence. Cold starts become more commanding, mid-throttle acceleration sounds fuller, and overrun crackles are sharper and more defined without sounding artificial or exaggerated.

The system is fully compatible with the factory AMG exhaust valve control system and connects directly using OEM plug-and-play valve connectors. It integrates seamlessly with factory drive modes, allowing the exhaust character to adapt naturally between Comfort, Sport, Sport+, and Race settings. With valves closed, the system remains refined and controlled for daily driving. With valves open, exhaust gases follow a more direct flow path, producing a significantly more aggressive and expressive V8 tone.

Constructed as a direct-fit cat-back solution, the system installs using factory mounting points with no cutting or modification required. Precision TIG welding and carefully aligned sections ensure structural durability, thermal stability, and long-term reliability under extreme heat cycles. The result is OEM-level fitment with motorsport-grade execution.

This exhaust does not change the AMG GT's identity—it amplifies it. Deeper at idle. Fuller through the mid-range. More explosive at high RPM. It transforms the AMG GT into the machine it was always meant to sound like.

Specifications

Configuration

• Cat-back exhaust system

• Dual 3-inch mandrel-bent piping

• Double H-pipe crossover design

• Integrated valved mufflers

Valve Control

• OEM factory valve plug-and-play compatibility

• Fully controlled through factory drive modes

Construction

• Precision TIG-welded assembly

• High-temperature resistant materials

• Direct-fit design

Installation

• 100% bolt-on

• Uses factory mounting points

• No cutting or welding required

Vehicle Fitment

• 2015–2023 Mercedes-AMG GT (C190)

• 2015–2023 Mercedes-AMG GTS

• 2017–2023 Mercedes-AMG GTC

• 2017–2023 Mercedes-AMG GTR