Milltek ValveSonic LH Rear Silencer | Audi RS6 / RS7 C7 4.0 TFSI Biturbo Quattro (incl. Performance Edition) | 2013–2018 | Cat-Back Component | MSAU589

The Milltek ValveSonic LH Rear Silencer is a premium component of the complete Milltek Cat-Back exhaust system for the Audi RS6 / RS7 C7 4.0 TFSI Biturbo Quattro, including the Performance Edition (model years 2013–2018).

Designed to deliver superior sound performance, flow efficiency, and durability, this silencer reuses the original OE valve motors (OE motors to be re-used).

⚠️ Note:
This part can only be installed in combination with other Milltek components as part of the Cat-Back system. Not compatible with OEM or non-Milltek exhaust parts.

Specifications:

• ✅ Part number: MSAU589

• 🚗 Fitment: Audi RS6 / RS7 C7 4.0 TFSI Biturbo Quattro (incl. Performance Edition, 2013–2018)

• 🔊 Type: ValveSonic LH Rear Silencer (left rear section)

• ⚙️ Installation: Only fits as part of a complete Milltek Cat-Back system

• ♻️ Valves: OE motors must be re-used

• 🇬🇧 Origin: Genuine Milltek Sport product, made in the UK