This is Armytrix MB136-C Stainless Steel Valvetronic Exhaust System Mercedes-AMG E63 AMG | E63 S AMG W213 2016-2020.
*Models equipped with AMG Exhaust*Front-Pipe (MB136-F) + Mid-Pipe (MB136-ML+MB136-MR) + Valvetronic Muffler (MB136-VML+MB136-VMR) + Wireless Remote Control Kit (OWRC-588) + EV Motor Bypass (3xEVP3),*Models equipped with standard exhaust*Front-Pipe (MB136-F) + Mid-Pipe (MB136-ML+MB136-MR) + Valvetronic Muffler (MB136-VML+MB136-VMR) + Wireless Remote Control Kit (OWRC-588) + EV Motor Bypass (2xEVP3),*Models equipped with standrad exhaust*Front-Pipe (MB136-F) + Mid-Pipe (MB136-ML+MB136-MR) + Valvetronic Muffler (MB136-VML+MB136-VMR) + Wireless Remote Control Kit (OWRC-588) + EV Motor Bypass (2xEVP3)