RENNtech EVM | Exhaust Valve Module | Ferrari mercedes-benz-s-class--222---2018-2020--s-63-amg-biturbo-esr3217492 C257 - CLS Coupe CLS450

C257 - CLS Coupe CLS450

easy to read numbers in all lighting conditions and features a white illuminated background for low lighting

RPM Tuned: 608 HP | 561 LB-FT

542 wtq @ 4

RENNtech EVM | Exhaust Valve Module | Ferrari mercedes-benz-s-class--222---2018-2020--s-63-amg-biturbo-esr3217492 C257 - CLS Coupe CLS450EVM 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