HKS RS Intake System | 2015-2021 Subaru STI (70020-AF108/004/005)

2015-2021 Subaru STI Racing Suction Intake System by HKS

Highly effective intake system designed to increase the flow of cold and oxygen dense air to the engine.

Features

• Kit includes Super Power Flow and Aluminum Suction pipe. Polished aluminum pipe improves engine bay appearance
• Improving an air intake efficiently, 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 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, by removing the air guide

Benefits

• Enjoy a distinctive sound
• Increased Power
  

Please Note: 70029-AF005 requires 70020-AF108 for installation. 70026-AF004 is both of the previous parts mentioned in one package.

Applications

• 2015-2021 Subaru STI

What's In The Box?

• 1 - Intake System or Intake Box (Depending on selection)

Warranty

• HKS' Limited Manufacturer's Warranty