HKS RS Intake System | 2015-2021 Subaru STI (70020-AF108/004/005)
HKS
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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
Customer Reviews
Based on 1 review
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J
As someone who hasn't modified his own car before, the assembly was a little confusing at first but once I got it the installation was very straightforward. Once the car's ECU relearned the amount of air being taken in at throttle, it was nothing but bliss! A very basic, but very definitive and sound changing upgrade. It also is an attractive option for someone who does not want to buy a Cobb Accessport with their mods (although I think you should, if you add anything else). 10/10!
