IAG Performance Air / Oil Separator (AOS) Competition to Street Series Conversion Kit

The IAG AOS conversion kit is designed to switch the upper breather portion of the V3 Competition Series AOS to the V3 Street Series AOS on the 2015-20 Subaru WRX. The kit includes the new billet aluminum Street Series double breather, Street Series vent hose assembly, 3/8" hose with PCV valve, 90-degree fitting, and associated hardware.