This Cobb intake and airbox combo is designed for 2004 - 2007 Subaru STI, 2002 - 2007 Subaru WRX, and 2004 - 2008 Subaru Forester XT. It sets a high standard for MAF - style intakes. With a velocity stack, airflow straighteners, and a composite body, it offers top - notch performance. You can use the Subaru factory snorkel to feed cold air to the SF Intake. The SF Airbox transforms the SF Intake into a cold air intake with an OEM look and fit.
Features:
- Composite Intake Body for effective heat rejection.
- Pre - oiled filter for easy maintenance.
- Integrated velocity stack for better airflow.
- Integrated airflow straighteners to smooth air.
- 16 - gauge aluminum construction for durability.
- C.A.R.B. certified for compliance.
- Intermediate installation effort.
- Comes with an installation guide.
- No tuning required.
This system combines the benefits of short - ram and cold - air intakes without the drawbacks. It uses unique features to maintain optimal airflow and reduce turbulence that can cause engine management issues. The custom conical cloth air - filter element, along with a CFD - designed velocity stack and an airflow straightener grid, ensures precise air - flow readings and eliminates dead spots. The one - piece high - temperature plastic composite design not only saves weight but also provides excellent heat rejection, keeping intake air cooler. The SF Air Box adds cold - air intake benefits, directing cold air from the front grill and preventing hot engine - bay air from entering. It also separates rainwater from the intake air, avoiding water ingestion problems.



Using this intake and airbox system is easy. First, refer to the installation guide that comes with the product. It's an intermediate - level installation, so if you're not very experienced with car parts installation, you might want to get some help. Once installed, there's no need for any tuning, which saves you time and money.
When it comes to maintenance, the pre - oiled filter makes things simple. You just need to clean and re - oil it periodically according to the manufacturer's instructions. This will keep the intake system working at its best.
Some important notes: Since it's C.A.R.B. certified, you can be sure it meets the necessary regulations. However, always check local laws before installation. Also, keep an eye on the intake air temperature. The composite body helps with heat rejection, but in extremely hot conditions, you might want to take extra precautions. Avoid driving through deep water to prevent water ingestion, as even though the design separates rainwater, deep water can still cause problems.