Audi RS3 8Y Facelift (CB2) ASR exhaust flap control

ASR CB2 exhaust flap control – Precise control for your exhaust flap system

The ASR CB2 exhaust flap control unit enables direct and convenient control of the exhaust flaps via Audi Drive Select and the cruise control lever. The module is completely plug-and-play and specifically designed for modern electric flap systems – ensuring safe, reliable, and reversible installation.

Available in two versions: CB2 Standard and CB2 Pro.

CB2 Standard functions

• SSA Memory
  Saves the start-stop system setting and automatically restores it after each vehicle start.

Additional features CB2 Pro

• Speed ​​warning memory

• Lane Assist Memory

• Driving profile memory

• SSA Memory

compatibility

• Audi RS3 8Y Facelift

Functional overview

Control via Drive Select

• Dynamic/RS Performance/RS Torque Rear: flaps permanently open

• Car: Standard shifting behavior

• Comfort/Efficiency: Opens at 4500 rpm or at 80% accelerator pedal pressure

Easy Switch (via cruise control reset button)

A double pull of the reset button opens the flaps independently of the Drive Select setting. The automatic opening at 4500 rpm remains active.

Series &Workshop mode

Activated via key combination. When the module is deactivated, the vehicle operates completely in its original factory condition.

S-detection of the transmission

When switching to gear position S Both exhaust flaps open (only with original gearbox coding).

Assembly

Installation is quick and easy in the footwell behind the A-pillar trim. Detailed instructions are included.

Other features

• Reversible without leaving any trace

• No error messages

• Durable electronics for use in electric flap systems

• Brand quality Made in Germany

Notes

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

• For racing, show purposes or export only

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

• Installation at your own risk

• No liability is accepted for failure to heed the instructions.

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.