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Exhaust Flap Controls for your Audi S4 B9
Memory Modules for your Audi S4 B9
Choose your Audi S4 B9
Choose the base model for your race car. If you are unsure about your choice or compatibility, we are happy to assist you.
About our valve controllers
Our valve controllers, developed in Germany, allow manual control of the exhaust valves using a remote control or the original buttons – for maximum control over the sound with "plug and play" installation.
Emotion at the push of a button
Open your exhaust valves at the push of a button to unleash maximum emotion on the racetrack.
Quiet when you want it
To make your drive more relaxed—or to comply with decibel limits on the racetrack—you can close the valves independently of the driving mode.
Smart additional features
The CB2 controllers offer, among other things, a memory function for the start-stop system.
About our Memory Modules
Our memory modules make it possible to permanently enable or disable functions such as speed warning, lane assist, or start-stop system.
Permanently disable assistance systems
Our memory modules allow you to permanently deactivate systems such as speed warning or lane assist in your race car if desired.
Simplified startup
No more tedious deactivation of functions when starting the vehicle!
Plug & Play
Simple installation with the included instructions; can be reverted without leaving any traces. No coding required!
Find the right valve controller for your Audi S4 B9
A comparison of the features of our valve controller series for your Audi S4 B9.
About your Audi S4 B9
Audi S4 B9
The Audi S4 B9 is the high-performance variant of the Audi A4 series, first introduced in 2016.
It belongs to the fifth generation of Audi S4 models and is based on the B9 platform.
The S4 B9 is powered by a 3.0-liter V6 turbocharged engine, delivering approximately 354 horsepower.
The acceleration from 0 to 100 km/h occurs in just 4.7 seconds, making it one of the fastest vehicles in its class.
The vehicle features the quattro all-wheel-drive system, ensuring excellent traction and stability.
The design of the S4 B9 is sporty and elegant, with distinctive lines and an aggressive grille.
Inside, the S4 B9 offers high-quality materials and state-of-the-art technologies, including a digital cockpit.
Safety features include various driver assistance systems that enhance driving security.
The Audi S4 B9 is available as both a sedan and an Avant, appealing to a wide range of buyers.
It combines sporty performance with the comfort and practicality of a premium vehicle.