Competition Tube and Fin Front Mount Intercooler Fits for Opel Astra H OPC 2.0L Turbo 2005-2010Competition Tube and Fin Front Mount Intercooler Fits for Opel Astra H OPC 2. 0L Turbo 2005 2010 Providing 132% more volume compared to the stock mounted intercooler. Our engineers have increased the intercooler core size and efficiency, as well as improving the end tank design to remove any OEM bottlenecks, resulting in increased flow rating and charge cooling properties. This intercooler uses our award winning competition intercooler core which is