An exhaust flap file controls the electronic exhaust valve, e.g. keeping it open for sound. Added for enthusiasts wanting a louder exhaust; the workshop notes noise-regulation limits.
For workshops
With MasterTuning you request the file, we produce it custom to the vehicle, and you flash it back — no in-house tuning required. You keep the customer and the margin.
FAQ
What is exhaust flap control?
Managing the electronic exhaust valve position for sound/flow.
Is a fully open flap legal?
It increases noise; check local noise regulations — intended for track use.
Offer this to your customers: find the vehicle or contact MasterTuning for a custom file.
