Audi RS4 Avant by ABT
Striking again, ABT, has now a tuning kit available not only for the RS6 Avant but for its little brother as well, the Audi RS4 Avant got himself a tuning kit too now. ABT has been creating the headlines this year for its RS6-R package tailored to the most recent RS6 Avant, however, the German tuner also has an upgrade...