HKS Super Power Flow & Aluminum Suction Pipe (2015-2021 Subaru WRX STi)

Racing suctions combines SUPER POWER FLOW (an open type filter) with aluminum pipe to improve air intake efficiency

Features

• Kit includes Super Power Flow and Aluminum Suction pipe. Polished aluminum pipe improves engine room appearance.
• Enjoy a distinctive induction sound.
• Improving an air intake efficiency, HKS changed from flexible stock rubber hose to aluminum pipe. This significantly reduces an airflow restriction at an HKS flow bench test compared to the stock intake system.
• Removable air duct (air guide) which has a wide opening is newly designed. This can be directly used stock ECU even for the normal vehicle or the vehicle with a custom muffler. You can reduce more air intake resistance, removing the air guide. (*)

(*) ECU setting is required when combination use of the metal catalyzer or removing the airflow adapter guide. The air duct is a removable part. Reduced more air intake resistance, removing the air duct which enlarge the inner diameter.
* ECU setting is required when removing the air duct.