Tomei Camshaft - PROCAM - Subaru Impreza Forester EJ255 EJ257, Intake, 252 / 10.3mm AVCS Gates which means the original intercooler

which means the original intercooler piping and hoses can be reused

and ZE series

With the Wagner Tuning high performance intercooler kit

We took a somewhat unconventional approach when it came time to design our K-Swap cold air intake

Tomei Camshaft - PROCAM - Subaru Impreza Forester EJ255 EJ257, Intake, 252 / 10.3mm AVCS Gates which means the original intercoolerWhen opening the intake valve during high acceleration the G from the camshaft requires to send as much mixture to the cylinder, Intake, the shortest time possible. However if the speed is too high it can damaged the Valves, Valve Seats and Valve Springs if the Acceleration G is too high. The Asymmetrical profile design given to the camshafts will allow the Intake and Exhaust Valves to fulfill the target requirement with the wider duration and high