Wagner Competition Package Intercooler with Heat Exchanger, Audi RS5 2.9TFSIOur high performance intercooler was specially developed for the demanding 2. 9 liter V6 biturbo engine (VW EA839) of the Audi RS4 RS5 models. It replaces the standard water cooled intercooler and offers you a multitude of advantages. With our new performance intercooler core, which measures 222 mm x 200 mm x 120 mm, we have increased the external core volume by an impressive 185%. The optimal ratio between the inner and outer cooling surface ensures