HKS Cold Air Intake Full Box Kit VAB Subaru WRX | STI 2015-2021

In stock
SKU: 70026-AF004
Regular price $1,062.45
Regular price $1,280.00 Sale Sale price $1,062.45

Product details

  • SKU 70026-AF004

Highly effective intake system designed for HKS Racing Suction to increase flow of cold and oxygen dense air to the engine. This system gives you the edge you need to maximize performance while keeping your engine functioning at peak levels.


  • This high-performance kit is designed to ensure intense races, as it separates the engine compartment from the air filter, allowing a continuous stream of fresh air to enter for optimized output.
  • The cover and duct cover of the box are crafted from carbon fiber, produced with a vacuum infusion process that is just as light and sturdy as the autoclave procedure. To increase the cosmetic appeal of the engine bay, the carbon cloth exterior is 3k twill woven.
  • The cleaner box is made of fiberglass and individually created by skilled artisans using the hand layup method.
  • The combination of matte carbon and black color make the beautiful engine bay with exotic car vibes.
  • It does not spoil the "open" sports sound that comes from the sound of air rushing into the intake.
  • Compared the intake air temperature using WLTC mode on a chassis dynamometer that can control the room temperature regardless of environmental conditions.
  • While maintaining the intake efficiency of the open type racing suction, the cold air intake can keep the intake air temperature stable and lower than that of the stock air cleaner.
  • Cold air intake will supply cooler air to the turbocharger and greatly contribute to improved and performance.
  • Subaru WRX, STI 2015-2021
  • Racing Suction (70020-AF108) & Cold Air Intake Box (70026-AF005)