IAG Air / Oil Separator (AOS) Fits 2015-21 Subaru WRX, 2014-18 FXT Black

The IAG Air/Oil Separator (AOS) is engineered for 2015-21 Subaru WRX and 2014-18 FXT models to effectively reduce crankcase pressure and prevent oil vapor from entering the intake system. This precision-crafted component enhances engine reliability by minimizing oil contamination and improving overall performance. Its durable construction ensures long-lasting operation under demanding conditions, making it an essential upgrade for enthusiasts seeking optimal engine health and efficiency.