HKS DryCarbon Full Cold Air Intake Kit GR SUPRA70028 AT001 Concept To maximize the engine potential HKS suppresses the intake temperature rise as much as possible. Utilizing carbon as piping material instead of usually used aluminum helps to delay a heat transfer. Using 3K weave prepreg on a CFRP intake pipe helps to produce the sporty and luxury appearance. Airflow resistance is reduced by replacing the stock flexible rubber hose to a carbon pipe. Weight reduced about 35% by changing the pipe