The AEM Cold Air Intake system for 2008+ WRX/STI is a fantastic way to get more performance and sound out of your turbo boxer engine. This intake sounds as good as it looks. Roughly 36 horsepower gains can be expected from this intake and when combined with a custom tune, expect higher gains. For the price it’s one of the most effective mods you can purchase! This kit comes with everything you need to install and includes a CARB sticker.
Please note: For those concerned about cold air intakes and hearing stories about sucking in water- Unless you are driving your car through huge amounts of standing water, you will never have an issue. The filter on this kit sits perfectly in the inner fender providing cool, dense air to the turbo and a heat shield protect the filter from engine bay heat.
- Part #: AEM 21-478WR
- Warranty: Manufacture limited lifetime
- CARB Number: D-670
- Re-useable Filter: Yes
- Piping Material: Aluminum