Our Control Systems via remote control are available in different versions:

Variant 1: Startup (Valves Closed) + flap permanently opened + flap permanently closed

Variant 2: Startup (Valves Open) + flap permanently opened + flap permanently closed

Variant 3: Startup (How valves were left before ignition shutdown) + flap permanently opened + flap permanently closed

We point out that the possibility of damage to the engine, turbo, exhaust system and catalytic converter exist when with permanently closed exhaust flap is driven!
The Control System is without certificate. The use/installation is at your own risk, no liability can be accepted for damages!

NEW:
Control System Control 1 for cars with pressure flap


With this control you can decide for yourself whether you want: optimal sound with opened exhaust flap, comfort with closed exhaust flap or relaxed cruising in original mode
Simply selectable with a separate button for each mode: