COBB Tuning High Flow Filter - 2002-2007 Subaru WRX / 2004-2007 STI PDM_shifters-and-bushings Thanks to the large liquid

Thanks to the large liquid to oil cooler

Designed to eliminate the weak & failure prone factory endlinks

pre filter and O-rings

Includes grommet

stiffer suspension

COBB Tuning High Flow Filter - 2002-2007 Subaru WRX / 2004-2007 STI PDM_shifters-and-bushings Thanks to the large liquidBetter Air In, Better Power Out Starting With the Filter The Cobb High Flow Filter for the 2002 2007 Subaru WRX STI is the simplest airflow upgrade on the car a direct drop in replacement for the factory paper filter that flows more air with less restriction while still filtering down to the same particulate level. It's not the most dramatic upgrade on the shelf, but it's the one that takes 15 minutes, costs almost nothing relative to what it enables,