Catalytic converters for cars Catalytic converters for cars / AUDI Catalytic converters for AUDI cars. Consult our catalogue of catalytic converters with officially authorised quality certificates Select another make Select a model 100 80 90 A1 A2 A3 A3 Quattro A4 A4 Quattro A5 A5 Quattro A6 A6 Quattro A7 A7 Quattro COUPE Q2 Q3 Q5 Q7 TT