IAG Performance V3 Street Series Air / Oil Separator (AOS) Neon Yellow 15-21 WRX / 14-18 Forester XT YMM_2022_GR86 High oil temperatures can take

High oil temperatures can take a serious toll on the FA20 DIT engine

A superior alternative to rubber: providing higher quality

requiring only basic mechanic’s tools and can be completed in under 30 minutes

this system ensures strength and longevity

Perfect for enthusiasts seeking a dependable first step in performance tuning

IAG Performance V3 Street Series Air / Oil Separator (AOS) Neon Yellow 15-21 WRX / 14-18 Forester XT YMM_2022_GR86 High oil temperatures can takeThe IAG Air Oil Separator (AOS) is a precision engineered upgrade for your Subaru, designed to provide unmatched protection for 20152021 WRX and 20142018 Forester XT 2. 0L FA engines. Developed through years of rigorous testing on both standard and competitive applications, the IAG AOS enhances crankcase ventilation and prevents oil from entering the intake, safeguarding your engine from premature wear, detonation, and performance loss. At the heart