Milltek Active Valve Control for Audi C7 4.0 TFSI Quattro is the must‑have exhaust valve solution for owners of the Audi S6, S7, RS6 and RS7 who want to unlock that authentic V8 soundtrack while keeping everyday refinement. Engineered and manufactured in the United Kingdom by Milltek Sport, this vehicle-specific kit integrates with cars equipped with the factory valved exhaust and two electronic valves, delivering an OEM+ upgrade that enhances sound, drivability and enjoyment.
Whether you drive an Audi RS6 C7 or Audi RS7 C7 Performance Edition, or the Audi S6 and S7 4.0 TFSI Quattro, Milltek’s Active Valve Control gives you the confident, deep tone you expect from a Bi‑Turbo V8 when you want it, and discreet cruising when you do not. It is the perfect complement for enthusiasts seeking a high-quality, UK‑engineered exhaust valve control solution.
Part Number: SSXAU675
Why choose Milltek Active Valve Control for Audi C7 4.0 TFSI
- Designed for factory valved exhaust systems with two electronic valves
- Optimises the exhaust valve operation for a richer V8 tone under load while maintaining comfort when cruising
- High-quality UK engineering from Milltek Sport with decades of performance exhaust expertise
- OEM-like integration for an Audi C7 platform: S6, S7, RS6, RS7, including Performance Edition models
What’s included
- 1 x Milltek Active Valve Control System (for vehicles with factory-fitted valve control system and two electronic valves)
Compatibility
- Audi S6 > C7 (2012–2018) > 4.0 TFSI C7 Quattro
- Audi S7 Sportback > C7 (2012–2018) > 4.0 TFSI Quattro S tronic
- Audi RS6 > C7 (2013–2018) > 4.0 TFSI Bi‑Turbo Quattro (including Performance Edition)
- Audi RS7 > C7 (2013–2018) > 4.0 V8 TFSI Bi‑Turbo Sportback (including Performance Edition)
Fitting and support
Professional installation is recommended. For fitting at Nforcd in Warwickshire, request a quote at Sales@nforcd.com.
Compatibility check before dispatch
We will verify fitment prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm compatibility for your Audi C7 4.0 TFSI Quattro.
Manufactured by
Milltek
Search-friendly keywords
Milltek Active Valve Control Audi C7, Milltek SSXAU675, Audi RS6 C7 valve control, Audi RS7 C7 exhaust valve controller, Audi S6 C7 valved exhaust control, Audi S7 C7 exhaust valve kit, 4.0 TFSI Bi‑Turbo Quattro exhaust valves, Performance Edition valve control, Milltek valve controller RS6 RS7 S6 S7, Audi C7 V8 exhaust upgrade, UK Milltek valve system, Audi C7 4.0 TFSI sound upgrade, Audi RS6 RS7 valve control module, Milltek Sport Active Valve Control Audi.