The Azure Performance Downpipes for the Mercedes-AMG GT lineup (GT, GTC, GTS, GTR) are designed for owners looking to extract serious performance from the M178 4.0L V8 BiTurbo. These downpipes dramatically improve exhaust flow and turbo response—enabling gains of over 100 HP with proper ECU tuning and supporting modifications. A must-have upgrade for any AMG GT enthusiast.

Features

Constructed from high-grade SS304 stainless steel for durability and corrosion resistance.
Available in Catless or 200 Cell Catted configurations.
Optional Azure Heat Shield for superior thermal protection.
Professional sand-blasted finish for an OEM+ appearance.
Direct bolt-on replacement with no cutting or welding required.
Optimised for reduced turbo lag and improved turbo spool.
Designed for track use only; ECU tuning recommended for peak performance.

Product Fitment

Make	Model	Chassis Code	Years	Engine Size
Mercedes-Benz	AMG GT	C190	2015–2021	4.0L V8 BiTurbo (M178)
Mercedes-Benz	AMG GTS	C190	2015–2021	4.0L V8 BiTurbo (M178)
Mercedes-Benz	AMG GTC	C190	2017–2021	4.0L V8 BiTurbo (M178)
Mercedes-Benz	AMG GTR	C190	2017–2021	4.0L V8 BiTurbo (M178)

Performance Gains

Specification	Stock (M178 Engine)	With Azure Downpipes & Tuning
Horsepower	476 HP	577 HP (+101 HP)
Torque	630 Nm	822 Nm (+192 Nm)
Power Output	355 KW	430 KW (+75 KW)

*Performance gains are based on proper ECU tuning and supporting modifications.