RENNtech EVM | Exhaust Valve Module | Mercedes Benz maserati-ghibili--157---2013-2023--esr9661198 RENNtech ECU Upgrade for 217

RENNtech ECU Upgrade for 217 - S 65 AMG Coupé

0L V8 BiTurbo) Stock Performance (at crank):

Installation in less than 10 seconds

CLS 63 AMG (C218 | FL MY2015+ | 4MATIC | M157 | 5

RENNtech EVM | Exhaust Valve Module | Mercedes Benz maserati-ghibili--157---2013-2023--esr9661198 RENNtech ECU Upgrade for 217EVM Exhaust Valve Module (Remote Controlled) VIN NUMBER REQUIRED UPON ORDER NOT SO FUN FACT: If your Mercedes AMG is equipped with factory exhaust valves, with or without a center console button to open or close them, factory settings do NOT allow the flaps to fully open unless certain speed and or RPM have been reached. For example, while cruising the exhaust flaps will never fully open! THE EVM SOLUTION: RENNtechs Exhaust Valve Module, (EVM) gives