Wagner Tuning Competition Intercooler EVO1 Audi RS3 8V & TTRS MK3 | AustraliaWagner Tuning RS3 Intercooler EVO1 Also Suits MK3 TTRS The Wagner Tuning RS3 Intercooler has the following core dimensions (660x180x110 = 13. 070cm). The high performance intercooler core provides a 14% larger frontal area and 57% more volume compared to the stock mounted intercooler. Our engineers have increased the intercooler core size and efficiency, as well as improved the end tank design to remove any OEM bottlenecks, resulting in increased flow