Cobb Tuning Subaru Air/Oil Separator FXT 2009-2013, LGT/OBXT 2005-2009, WRX 2008-2014, STI 2008-2021 - 822615

EMISSIONS 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number: D-660-25D-660-45 DESCRIPTION The COBB Air/Oil Separator is placed within your Subarus crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system. The COBB Air Oil Separator has been developed in partnership with IAG Performance and offers exclusive features. 1 Liter Holding Capacity Integrated ORB Ports Compact Cast Aluminum Body w/ Black Powdercoat Finish Heat Shielding on Crankcase Breather and Oil Return Lines Coolant Bleeder Valve Bespoke COBB Color Combination Laser Etched COBB Logo The Subaru EJ engine has 3 ports that vent crank pressure: one on each cylinder head and another on the top of the block. Each engine vent port receives its own connection to the AOS. By g