Porsche GT3 RS 991.2 OPF RX1 ASR exhaust flap control

ASR RX1 exhaust valve control for Porsche 991.2 GT3 RS (OPF)

Full control over the sound of your GT3 RS – at the touch of a button.

With the ASR RX1 exhaust flap control You'll get the maximum performance from your Porsche 991.2 GT3 RS. The system allows you to manually control the two electric exhaust flaps – independently of Drive Select. You decide when your GT3 RS sounds loud or subtle.

Operation is convenient via the included hand-held transmitter with elegant stainless steel front and long range.

Advantages at a glance

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

• Serial mode remains available: Ideal for workshop visits, servicing or vehicle inspections.

• Freely programmable start mode: Decide for yourself how your GT3 RS sounds when starting up.

• No interference with the CAN bus: 100% safe – no impact on other control units or software updates.

• Plug &Play Installation: Original plugs, no cable damage, no power thieves.

• Reversible without leaving any trace: Reset to factory settings at any time.

Technical Highlights

• Vehicle-specific connectors for easy installation in the engine compartment

• Standalone system – no error messages

• Robust hand-held transmitter made of brushed stainless steel

• Made in Germany – designed for durability and precision

Important instructions

• For use in motorsport only – not permitted under the Road Traffic Regulations.

• The flaps should not be completely closed at full load.

• Installation is at your own risk.

Focus on uncompromising quality – ASR RX1 flap controlFor the authentic sound of your Porsche GT3 RS.

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.