Cobb Black SF Intake & Air Box Combo - Fits 08-11 WRX/STI / 09-13 Forester subaru-wrx-2011 Using proprietary woven cotton and

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

Installation of this top-mount intercooler is simple

and COBB Knob together to bring you the ultimate package

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

Cobb Black SF Intake & Air Box Combo - Fits 08-11 WRX/STI / 09-13 Forester subaru-wrx-2011 Using proprietary woven cotton andCobb 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