Audi S4 8W RX1 (AE2) ASR exhaust flap control

ASR exhaust flap control RX1 – For Audi models with two electric exhaust flaps (Type AE2)

Experience full control over the sound of your Audi – with the ASR flap control RX1.
The control unit enables the manual control of the exhaust flaps via a high-quality hand-held transmitter – independent of Drive Select. This is how you decide. herself, when your vehicle sounds sporty or remains discreet.

Compatible with the following Audi models:

• S4 B9

Your advantages at a glance

• Regardless of Drive Select – the sound does not depend on the driving profile.

• True factory mode – the module can be deactivated and remains inactive even after the vehicle is started. Ideal for workshops, service centers, or vehicle inspections.

• Freely programmable start mode – you determine how your Audi sounds when starting.

• No interference with the CAN bus – no risk to other control units, no error messages.

• Plug && Play Montage – Original plugs, no cable damage, no power thieves.

• Reversible without leaving a trace – can be reset to the original factory settings at any time.

Functions and modes

• Start mode: It remembers the last state or starts in a mode you specify.

• Simple programming: Adjustable via the handheld transmitter in a few seconds.

• Security confirmation: Opening and closing the flaps five times indicates successful programming.

Assembly

The installation is carried out Plug && Play with vehicle-specific connectors.
Recommended position: trunk – for optimal reception and protection from the elements.
All cables are Perfect fit and long enough designed.

Handheld transmitter

• Elegant design with brushed stainless steel front

• Long range and fast response time

• High-quality workmanship for long-lasting use

Technical notes

• Not permitted under the German Road Traffic Regulations (StVO).

• For racing use only

• The flaps should not be completely closed during full load operation.

• Installation at your own risk – no liability assumed.

Quality you can trust

ASR stands for German engineering and highest reliability.
Each RX1 module is Made in Germany – designed for precise control, maximum safety and lasting driving pleasure.

Control your sound – with the ASR RX1 flap control.
More control. More sound. More driving pleasure.

We receive a large number of custom orders and requests every day, so it's not always possible for us to have every item in stock at all times. If you need the item urgently, please contact here to our sales teamto check stock before making your purchase.

We fully understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your Inquiry to us Our friendly sales team will then contact you to confirm if this part is the right one you are looking for.

All our products come with a standard 2-year warranty. However, this depends on the type of product. For more details, see here.

At Upgrade my Car (R-Trade GmbH), we take great care to fully inform our customers about the intended use of our products. Please note that, unless otherwise stated, all of our products are specifically designed for professional racing use. These are intended solely for use in competitions on race tracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these terms and conditions, including recreational off-road use, may potentially violate local, state, or federal laws. It is important to understand that Upgrade my Car (R-Trade GmbH) assumes no liability for the legality of using our products on public roads. The responsibility for compliance with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with applicable legal regulations before using our products.