034Motorsport's Res-X Resonator Delete for B8/B8.5 Audi S4 replaces the factory resonator to enhance exhaust sound without introducing drone into the cabin.
Learn More: [ Ссылка ]
![](https://i.ytimg.com/vi/LAAUwmGgAXo/maxresdefault.jpg)
034Motorsport's Res-X Resonator Delete for B8/B8.5 Audi S4 replaces the factory resonator to enhance exhaust sound without introducing drone into the cabin.
Learn More: [ Ссылка ]