Valve Control
Original, City, Sport
In original mode, the flaps react as they did from the factory.
In City mode , the flaps are closed.
In Sport mode, the flaps always remain 100% open.
Safety opening
Always on the safe side when performing at peak level
Our innovative safety opening function provides optimal protection for your engine.
As soon as 4500 rpm is reached or the accelerator pedal is depressed beyond 70%, the flaps open automatically, ensuring safe pressure relief.
This effectively protects the engine from overheating and unnecessary wear – for greater engine longevity.
Control Via Vehicle Profiles
You can freely choose whether your flaps should act in sync with your vehicle’s drive modes or whether you want to use other vehicle buttons for opening, closing, or restoring the factory settings.
Each flap on its own
Individual profiles for your perfect driving performance
With our app, you can create individual exhaust valve profiles and precisely control each valve. Open or close each valve separately, exactly when you want – for maximum sound and optimal performance.
This feature is available for vehicles with two built-in valves and makes your driving experience unique and perfectly tailored to you.
Scenes
with the buttons and states of your vehicle.
Smartphone-Free Operation
Flexible Scene Control
Color-Coded Overview
Control via Vehicle Buttons
Full control
Depending on your vehicle, you can achieve precise, percentage-based control of the exhaust flap, saving settings for any situation. Tailor the exhaust sound to your exact preference—no more simple open or close limitations. With Maxhaust, you have full control over your vehicle's sound experience.
Get the Maxhaust App for full control.
Each flap on its own
Individual profiles for your perfect driving performance
With our app, you can create individual exhaust valve profiles and precisely control each valve. Open or close each valve separately, exactly when you want – for maximum sound and optimal performance.
This feature is available for vehicles with two built-in valves and makes your driving experience unique and perfectly tailored to you.
Compatible Systems
The Maxhaust Valve Control is currently available for the following vehicles. More models are currently under development in our lab and will be added to the list soon.
S1
A1 (GB) 35 TFSI
A6 C7 4G 3.0 TFSI
TT 8S
RS Q3
Q7 4M 60 TFSi
S Q5
SQ7 55 TFSI e 4M
S4 B9
S5 B9 F5
S8 D4
S8 D5
A8 60 TFSI D5
Supported actuators:
KĂĽster
SBS
Upon request:
All vehicles with a factory flap system or a compatible control unit can be requested from us. Just send us a request!