F90 M5 IntakeFor this application, both banks have large cross sectional turbo inlet tubes with smooth non concentric expanding inlet tubes which with silicone couplers. The turbo inlets are vastly larger in size over the OEM and feature an internal velocity stack which further smoothens and accelerates the air into the turbo housing. The expanding large volume inlet tubes act like a large velocity stack which accelerates the airflow and is much larger than the