Cobb 2015 Subaru STi SF Black Intake & Air Box (black hose)
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This intake and integrated airbox looks great and has the combined benefits of a short ram intake and a cold air intake without any of the negatives. This system utilizes several unique features in an effort to maintain optimal flow for performance while minimizing turbulence that can cause engine management problems. From a custom conical cloth air-filter element, we use a CFD-designed velocity stack leading to a unique airflow straightener grid. This straightener grid is specifically designed to smooth the incoming airflow as it passes the Mass Air Flow sensor for precise readings.
This eliminates the "dead spots" experienced by other aftermarket intakes due to turbulence. No other aftermarket Subaru intake system utilizes these critical design elements. In order to provide a system that looks as good on the outside as the technical advancements happening on the inside, we utilize a one-piece design constructed from a high-temperature plastic composite. Not only does this save weight compared to the previous metal design, but the plastic composite material also offers much better heat rejection properties that help keep intake air temperatures cooler.
In contrast, intake systems constructed using metal castings or piping can actually retain underhood heat and in turn heat the incoming air. The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Air, which encloses the SF intake. Hot engine bay air that robs horsepower is prevented from entering the intake system.
This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in-fender cold air intakes. Calibrations - All aftermarket intakes for 08+ Subarus require tuning in order to ensure the MAF sensor reads properly and the engine operates within safe parameters. COBB Tuning has you covered with Off-The-Shelf Maps for the Accessport, making it as easy as install, flash, and go! Head over to the Subaru Accessport Map Database to view the full selection of SF Intake Maps for your vehicle.
Subaru SF Intake + Airbox STI 2015-2018
- Composite Intake Body for Heat Rejection
- Integrated Velocity Stack & Airflow Straighteners
- Pre-Oiled, Cleanable, Reusable Custom Filter Element
- Uses Factory Snorkel to Feed Cold Air to Airbox
- Benefits of CAI without Water Ingestion Issues