Wagner Tuning Competition Intercooler Audi RS6 C6 4F 5.0 V10 Biturbo | AustraliaCompetition INTERCOOLER KIT for Audi RS6 C6 4F 426KW 580PS (2008 2010) The WAGNERTUNING high performance intercooler has got a new competition core (tube fin), which was developed especially for the high requirements of the Audi RS6 C6. Our newly developed HD Fin type is used to provide the best possible performance. The outer dimensions for each intercooler core are 283 mm x 225 mm x 90 mm + 283 mm x 193 mm x 55 mm (stepped core: 8. 73 liters) 11.