McLaren 720S RX1 (MCE2) ASR exhaust flap control

McLaren 720S RX1 (MCE2) – ASR exhaust flap control

Maximum control over the sound of your McLaren.
With the ASR flap control RX1 (MCE2) You decide when your McLaren unleashes its full soundscape – regardless of the selected driving mode. Designed for vehicles with two electric exhaust flapsThis system offers precise control, easy installation, and uncompromising quality. Made in Germany.

Advantages at a glance

• Manual control: Open or close the exhaust flaps at any time using a remote control.

• Regardless of Drive Select: You decide on the sound, not the driving profile.

• True series mode: Deactivation of the module remains active even after the vehicle starts – ideal for workshops, services or vehicle inspections.

• Freely programmable start mode: Choose the sound your McLaren starts with.

• No interference with the CAN bus: No risk to other control units or software updates.

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

Start mode function

Save the last setting or manually define whether your vehicle starts with the flaps open or closed. Programming is easy via the remote control – confirmed by the flaps automatically opening and closing.

Assembly

The installation is carried out Plug && Play with vehicle-specific connectors. We recommend installation in the trunk For optimal reception and protection from the elements. All cables are appropriately sized.

Handheld transmitter

• Elegant look with brushed stainless steel front

• Long range

• Reliable signal transmission

The RX1 system was specifically developed for electric flap systems and guarantees safe, long-lasting operation – without error messages and without interfering with the vehicle network.

Highlights:

• Reversible without leaving any trace

• Independent system

• No error message

• Brand product Made in Germany

Notes:

• Not approved under German road traffic regulations (StVZO) – for motorsport use only.

• Do not close flaps completely at full load

• Installation at your own risk

We receive a large number of custom orders and inquiries daily, 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 us. here to our sales team, to check stock levels before making your purchase.

We completely understand if you are unsure whether a part is compatible with your car. Therefore, we strongly recommend that you contact your vehicle manufacturer here. Inquiry to us Please contact us. Our friendly sales team will then get in touch with you to confirm if this part is the correct one you are looking for.

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

At Upgrade my Car (R-Trade GmbH), we place great importance on fully informing our customers about the intended use of our products. Please note that, unless otherwise specified, all our products are specifically designed for professional racing use. They are intended exclusively for use in competitions on racetracks sanctioned by an officially recognized racing organization. We would like to point out that any use of our products outside of these conditions, including recreational off-road driving, 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 complying with applicable laws lies solely with the purchaser. We strongly recommend that our customers familiarize themselves with and comply with the relevant legal regulations before using our products.