Audi-a4-avant |

Who said family estate cars can’t enjoy tuning options? Certainly not the team from AVUS Performance, which has just revealed the Black Arrow tuning program for the Avant version of the Audi A4. Basing itself on the 2.7-liter TDI engine, which has received a stage 1 enhanced ECU and a few other electronic tweaks, the Black Arrow outputs 230 HP… …read the full post