RENNtech EVM | Exhaust Valve Module | C-Class Pre-FaceLift MY2015-18 Akrapovic RENNtech has been at the

RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980s

The RENNtech EVM is placed in the trunk

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RENNtech EVM | Exhaust Valve Module | C-Class Pre-FaceLift MY2015-18 Akrapovic RENNtech has been at theEVM Exhaust Valve Module (Remote Controlled) NOT SO FUN FACT: If your car is equipped with factory exhaust flaps, 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 plug & play EVM Exhaust Valve Module allows you to open the exhaust flaps of