COBB V3 Air / Oil Separator (AOS) 2008-2014 WRX / 2008-2021 STI / 2005-2009 Legacy GT / 2005-2009 Outback XT / 2009-2013 FXT

The COBB Air/Oil Separator is a revolutionary product for Subarus, offering a 1 liter holding capacity, integrated ORB ports, and a bespoke COBB color combination. Developed in partnership with IAG Performance, this compact cast aluminum body contains heat shielding on crankcase breather and oil return lines, a coolant bleeder valve, and a laser etched COBB logo. Each engine vent port receives its own connection for optimal performance.