Wagner Tuning Competition Intercooler Kit | 2011-2019 Porsche 991 Turbo/S (200001099)Porsche 991 Turbo(S) Competition Intercooler Kit by Wagner Tuning The Wagner Tuning Porsche 991 911 Turbo (S) Intercooler Kit has the following core size (2 x [320mm x 238mm x 110mm] = 16,755L) (2x[12,6Inch x 9,37Inch x 4,33Inch = 1022,45Inch), providing 40% 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,