Milltek Sport Active Valve Control System (Audi S4/S5/SQ5) (SSXAU677)

This module is designed to integrate with the existing driver select modes to operate the valves, once the module is installed it will default valve behaviour to be as follows

• Comfort / Eco Mode = Closed up to 5k RPM
• Auto Mode = closed up to 3k RPM
• Dynamic = Open all the time
• Cold Start = Valve closed (usually open with stock exhaust)
• 4 Cylinder mode = Valve closed

The module also offers an override to open and close valves on demand regardless of drive mode by pressing the ESP button twice is quick succession.

* All values are pre-set into the module and cannot be altered.*

Active Valve Control (AVC) is available to support both vehicles equipped with factory valves on the exhaust as well as a growing range of upgrades Milltek Sport offers to have performance exhaust systems with Valve Control. Also with optional App control on selected models, via iPhone or Android smartphone app’s, AVC brings total control of the exhaust to the drivers finger tips, via full CAN BUS integration with built in safety controls, Milltek’s AVC enables the driver to choose when the valves open and close to tune the sound and volume of the exhaust.

Vehicle fitment (Milltek Sport)

• Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Left Hand Drive Cars Only (2016-)
• Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Non Sport Diff Models) - Right Hand Drive Cars Only (2016-)
• Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only (2016-)
• Audi S4 3.0 Turbo V6 B9 - Saloon/Sedan & Avant (Sport Diff Models Only & Without Brace Bars) - Right Hand Drive Cars Only (2016-)
• Audi S5 3.0 V6 Turbo Coupe Only B9 (LCI - NON GPF ONLY- Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only (2019-)
• Audi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY - Sport Diff Models Only & Without Brace Bars) - Right Hand Drive Cars Only (2017 a)
• Audi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY- Sport Diff Models Only & WITH Brace Bars) - Right Hand Drive Cars Only (2017 and)
• Audi S5 3.0 V6 Turbo Coupe Only B9 (NON GPF ONLY- Sport Diff Models Only & Without Brace Bars) - Left Hand Drive Cars Only (2017 and)
• Audi S5 3.0 V6 Turbo Coupe/Cabrio B9 (NON GPF ONLY - Non Sport Diff Models Only) - Right Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Coupe/Cabrio B9 (NON GPF ONLY- Non Sport Diff Models Only) - Left Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Non Sport Diff Models Only) - Left Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Non Sport Diff Models Only) - Right Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only & WITH Brace Bars) - Left Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only & WITH Brace Bars) - Right Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only & without Brace Bars) - Left Hand Drive Cars Only (2017-)
• Audi S5 3.0 V6 Turbo Sportback B9 (NON GPF ONLY - Sport Diff Models Only & without Brace Bars) - Right Hand Drive Cars Only (2017-)
• Audi SQ5 3.0TFSI V6 Turbo (2017-)

Fitting time: 1-1.5 h (including removal of the original system).

TÜV / ABE available upon request

We currently ship within Europe only.

If a part is not available, we will contact you with an estimated wait time.

If you wish to return a product after receiving it, we offer a 14-day returns policy. Custom-made products are not eligible for return, and return shipping is at the customer's expense. Full delivery and returns terms are on the “Delivery Information” page — the link is at the bottom of the page.

Products come with a warranty, detailed in a certificate included in the box.

To make a valid claim, you must prove the damage was not caused by you and that the warranty certificate is valid.

Full terms are on the “Terms & Conditions” page — the link is at the bottom of the page.