RENNtech EVM | Exhaust Valve Module | Audi | S8 (D3/4E) porsche-911--991-2---2015-2019--speedster-esr6796864 These pieces were designed to

These pieces were designed to function in complete harmony with one another and when combined create a completely unique

and refined which evolved into our final and optimal solution

The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU

212 - E 63 AMG BiTurbo

SLC 43 AMG Coupe (R172 | M276 | 3

RENNtech EVM | Exhaust Valve Module | Audi | S8 (D3/4E) porsche-911--991-2---2015-2019--speedster-esr6796864 These pieces were designed toEVM 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)