HKS Racing Suction Intake System | Subaru Impreza RS GDB (C/D/E/F) EJ207 (70020-AF103)HKS Racing Suction Intake System 20012007 Subaru Impreza GDB 2. 0L EJ207 Part #: 70020 AF103 Overview The HKS Racing Suction Intake System is a high performance upgrade designed specifically for the Subaru Impreza GDB models equipped with the EJ207 engine. Engineered for enthusiasts seeking to maximize their vehicles airflow capabilities, this intake system delivers improved throttle response, enhanced engine sound, and support for increased power