Forza Vacuum Exhaust Valve Controller for Audi R8 / RS4

Give a compatible Audi R8 or RS4 vacuum bypass system remote control while retaining the original valve mechanism. The correct solenoid connector adapters are part of the application check; electrically actuated valve systems are not established by this vacuum-controller reference.

Technical Details

• Fabspeed catalog reference: FC-AUD-B4A.
• Self-contained controller with remote operation and provision for a compatible manual switch.
• Weather-resistant connectors and high-temperature connection cables.
• Includes the controller, remote control, application connection cables, mounting accessories and instructions.
• Installation is reversible when performed using the supplied connections.
• Match the original valve actuation, solenoid count, polarity and plugs before fitting.
• Exact transmitter quantity and any required adapter plugs should be confirmed for the supplied kit.
• Powered through the matching original vacuum-solenoid connection; no wire cutting or splicing is specified.
• Supports factory-controlled operation and an open-valve setting. Mode availability depends on the exact controller and vehicle.
• Adapter plugs are required for the matching Audi connections.
• Confirm GPF and engine configuration before relying on fault-free operation.

Use restrictions

Use only the operating modes permitted by the vehicle-specific Forza instructions. Forza excludes an always-closed mode on turbocharged applications. A valve controller does not establish emissions or local noise compliance.

With over 20 years of parts experience, PMB Performance can help check the application. Share your VIN and photos or references for the component being replaced before ordering if the match is uncertain.

Fitment & Compatibility

Use the application details below together with the original component and any existing modifications.