RENNtech EVM | Exhaust Valve Module | Audi | Bentley audi-sq8--4m8---2019-present--4-0l-v8-tfsi-esr2301638 Valves will stay open even

Valves will stay open even when the car is turned off and restarted

400rpm Note: Mercedes M178 engine performance when measured

Data measured with Racelogic Performance Box

With the proprietary RENNtech ECU Plus Upgrade the X253 - GLC 43 AMG SUV gains up to +41 HP and +62 LB-FT

RENNtech EVM | Exhaust Valve Module | Audi | Bentley audi-sq8--4m8---2019-present--4-0l-v8-tfsi-esr2301638 Valves will stay open evenEVM Exhaust Valve Module (Remote Controlled) NOT SO FUN FACT: Sportscars equipped with factory exhaust valves, with or without a center console button to open or close them, the factory settings do NOT allow the valves to fully open unless certain speed and or RPM have been reached. For example, while cruising the exhaust valves will never fully open! THE EVM SOLUTION: By pressing Button 1 on the remote control, RENNtechs Exhaust Valve Module (EVM)