IAG Air / Oil Separator (AOS) For 08-14 Subaru WRX, 08-21 STI, 09-13 FXT, 05-09 LGT & OBXT Black

The IAG Air/Oil Separator (AOS) is engineered for Subaru models including 08-14 WRX, 08-21 STI, 09-13 FXT, and 05-09 Legacy GT and Outback XT. This precision component effectively separates oil vapors from the crankcase ventilation system, reducing oil consumption and preventing intake contamination. Designed for durability and optimal performance, it helps maintain engine efficiency and longevity under demanding conditions. Installation supports improved reliability and cleaner operation for turbocharged Subaru engines.