Audi S4 tuned by Avus Performance

Avus Performance has unveiled their version of the popular Audi S4. Power on the supercharged 3.0-liter V6 engine is up from 329 bhp to 424 bhp. In order to give the driving dynamics even better qualities, a thread spring kit was built in that allows adjusting the depth more individually, however still maintaining adjusting possibilities of the Magnetic Ride chassis. The contact to the road is