---High quality lightweight performance air induction kit ---Filter is upgraded to a high quality big bore cone type to provide up to 50% more surface area compared to the OEM airbox ---Designed to directly replace your existing OEM air intake setup ---Noticeably improves throttle response ---Engineered to help your engine breathe easier and improve power ---Main power gains are noticeable in the mid/high range Fitment: ---Subaru Impreza New Age WRX STI GDA - 2002-2006 Please Note: Modifications may be required to fit this item.