Porsche 982 Boxster/Spyder (CB2) ASR exhaust flap control

ASR CB2 exhaust valve control – precise control via the original exhaust button

With the ASR flap control CB2 Maintain full control over your exhaust flaps – directly via the original exhaust button of your Porsche 718. Designed for maximum functionality and uncompromising quality, the system ensures an authentic sound experience and precise control of the flap system – all without interfering with the vehicle's electronics.

Compatible with:

• 718 Cayman GTS 2.5 (982)

• 718 Cayman GTS 4.0 (982)

• 718 Cayman GT4 (982)

• 718 Cayman GT4 RS (982)

• 718 Boxster GTS 2.5 (982)

• 718 Boxster GTS 4.0 (982)

• 718 Spyder (982)

Features at a glance

Exhaust button:

• Active: flaps permanently open

• Inactive: Flaps open at 4000 rpm or 80% accelerator pedal position

Series/Workshop mode:
Can be activated or deactivated via key combination – ideal for maintenance or test benches.

Exhaust button memory game:
Saves the last setting and automatically restores it when the vehicle starts.
(Available on the Spyder, GT4 and GT4 RS)

Simple plug-&-Play-Montage

Installation is quick and leaves no residue via vehicle-specific connectors – completely without coding or intervention in the CAN bus.

• Reversible without leaving any trace

• No error messages in memory

• No additional tools required

Technical Highlights

• High-quality stainless steel front with an elegant look

• Long range and stable signal transmission

• Robust design for continuous use

• Includes remote control

This flap control system was specifically developed for electric exhaust flap systems and guarantees safe, reliable operation – Made in Germany.

Notes

• Not street legal (for racing use only)

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

• Installation at your own risk

• No liability for improper use

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.