Cobb Black SF Intake & Air Box Combo - Fits 08-11 WRX/STI / 09-13 Forester subaru-wrx-2011 Functions with the stock intake

Functions with the stock intake duct which supplies cold air to intake filter

This straightener grid is specifically designed to smooth the incoming airflow as it passes the Mass Air Flow sensor for precise readings

Using proprietary woven cotton and metal mesh with a precision molded rubber base

and all other hardware necessary to complete a quick installation for easy bolt-on power

2004-2008 FXT 16 Gauge Aluminum Construction

Cobb Black SF Intake & Air Box Combo - Fits 08-11 WRX/STI / 09-13 Forester subaru-wrx-2011 Functions with the stock intakeCobb 08 11 WRX STi Black SF Intake & Air Box Combo 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