Wagner Tuning Competition Intercooler EVO1 Audi S1 8X | AustraliaWagner Tuning Audi S1 Intercooler EVO1 This Wagner Tuning Audi S1 Intercooler has the following core size (620mm x 175mm x 110mm stepped = 10. 100cm, providing a 44% larger frontal area and 68% more volume compared to the original intercooler. Our engineers have increased the core size and efficiency, as well as improved the end tank design to remove any OEM bottlenecks, resulting in increased flow rating and charge cooling properties. Constructed of