RENNtech EVM | Exhaust Valve Module | Maserati | Ghibli mercedes-benz-s-class--222---2018-2020--s-650-maybach-esr9170956 while cruising the exhaust valves

while cruising the exhaust valves will never fully open

The maximum power number reached with the RENNtech ECU Plus Upgrade for the X253 - GLC 43 AMG SUV is 416 HP and 460 LB-FT

582 hp @ 4

Carrera S Cabriolet

E55 AMG Kompressor (W211 | M113 | 5

RENNtech EVM | Exhaust Valve Module | Maserati | Ghibli mercedes-benz-s-class--222---2018-2020--s-650-maybach-esr9170956 while cruising the exhaust valvesEVM Exhaust Valve Module (Remote Controlled) NOT SO FUN FACT: If your vehicle 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 you complete control over the exhaust