Audi R8 4S ASR exhaust flap control RX1 (U1)

Audi R8 4S ASR exhaust flap control RX1 (U1)

Experience full control over the sound of your Audi R8 – with the ASR exhaust flap control RX1 (U1).
The system allows manual control of the exhaust flaps via a high-quality remote control – independent of Drive Select. This allows you to decide herself, when your R8 sounds sporty or is driving discreetly.

Your advantages at a glance

• Regardless of Drive Select: The sound follows your command, not the driving profile.

• True series mode: Completely deactivates the module – ideal for workshops, service departments or vehicle inspections.

• Freely programmable start mode: You decide which sound mode your vehicle starts in.

• No interference with the CAN bus: Safe operation without risk to other control units.

• Software update safe: The functionality remains fully intact even after updates.

• Plug &Play Montage: Original connectors, no cable damage, reversible without leaving any trace.

Assembly and operation

Installation is simple via plug-in. & Play to the original switching valve – without any soldering or cable cutting.
You can use the remote control to switch between the available modes and freely program the start mode.

Handheld transmitter design

• Brushed stainless steel front with an elegant look

• Long range and reliable signal transmission

• Robust construction for long-term use

Technical features

• No modification of the vehicle software

• No error messages in the error log

• Fully reversible

• Designed for electric flap systems

• Made in Germany – brand quality and durability

Notes:

• Not approved for use on public roads – intended exclusively for racing.

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

• Installation is at your own risk. We accept no liability for damage resulting from improper installation.

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.