Coupe 
Engine 
New 
Used 
Low Mileage Cars 
Brand New 
Refurbished 
TARGA 
SalVage CarS 
Excellent 
The Milltek ValveSonic RH 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 for enhanced sound performance, flow efficiency, and durability, this silencer retains the original OE valve motors (OE motors to be re-used).
⚠️ Note:
This part can only be installed in combination with other Milltek components within the Cat-Back system. Not compatible with OEM or non-Milltek exhaust parts.
Specifications:
✅ Part number: MSAU590
🚗 Fitment: Audi RS6 / RS7 C7 4.0 TFSI Biturbo Quattro (incl. Performance Edition, 2013–2018)
🔊 Type: ValveSonic RH Rear Silencer (Right Rear Section)
⚙️ Installation: Only fits as part of a complete Milltek Cat-Back system
♻️ Valves: OE motors must be re-used
We deliver to over 100 countries around the world. We hope you’ll love every purchase, but if you ever need to return an item you can do so within a month of receipt. For full details of how to make a return, please view our Returns information
Customer Reviews
Ratings
3.9 out of 5
5 star
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Matthias
Alles lief reibungslos – großartiger Kauf.
Leon
Mein RS6 klingt jetzt viel sportlicher.
Elias
Wirklich beeindruckender Auspuff, empfehlenswert.
Daan
Fantastisch product, zeker aan te raden.
Noah
The deep tone is addictive!
Lukas
Klingt bei jeder Fahrt besser.
Giovanni
Installazione semplice e risultato perfetto.
Thomas
Solid build and premium feel.
Owen
Brings the car to life – absolutely love it.
Lucas
Son superbe, très sportif!
Felix
Klang tief und aggressiv, genau was ich wollte.
Ryan
Smooth install and amazing tone.
Nathan
Qualité exceptionnelle, je suis ravi.
Moritz
Der beste Klang, den ich je hatte!
Paul
Preis-Leistung ist hervorragend!
Marco
Molto soddisfatto dell'acquisto.
Sven
Makkelijk te installeren en klinkt super.
Jonas
Fantastische Klangqualität und perfekte Passform!
Jan
Alles lief reibungslos – großartiger Kauf.
Alessandro
Perfetta combinazione tra estetica e prestazioni.
Liam
Really happy with this silencer, fits perfectly.
Mateusz
Świetny dźwięk i jakość wykonania!
Thijs
Geweldig geluid en pasvorm!
Timo
Eenvoudige montage en topkwaliteit.
William
A must-have for any RS owner!
Ethan
Solid build and premium feel.
Jesse
Perfecte afwerking en geweldige prestaties.
Mees
Geweldig geluid en pasvorm!
Luca
Installazione semplice e risultato perfetto.
Hugo
Excellent produit, facile à installer.
James
Installation was smooth, everything matched perfectly.
Luuk
Eenvoudige montage en topkwaliteit.
Finn
Passt perfekt und sieht großartig aus.
Tobias
Klang tief und aggressiv, genau was ich wollte.
Matteo
Qualità eccellente, il mio RS7 sembra nuovo.
Maximilian
Tolle Verarbeitung, hochwertiges Material.
Jakub
Bardzo dobry produkt, idealnie pasuje.
Alexander
Amazing exhaust, totally changed my RS7's character!
Lucas
Milltek nailed it again, flawless finish.
Jackson
Sounds perfect on my Audi RS7!
Simon
Sehr gute Lieferung und Verpackung.
Logan
Great upgrade for my RS6, highly recommend it.
Andrea
Installazione semplice e risultato perfetto.