




















1 Day
10
1
$450.00
Venmo
Zelle
ApplePayBrand new, never used AOS. I only opened box to take pictures. This is $500 plus shipping. I am asking $450. Text is best. Thanks for looking.
The IAG Air / Oil Separator (AOS) is a precision-engineered upgrade for your Subaru, designed to provide unmatched protection for 2015–2021 WRX and 2014–2018 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.
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.












1 Day
10
1
$450.00
KSL Classifieds makes it easy to buy and sell with peace of mind. Check our safety tips and quickly report anything that doesn’t look right to keep your experience smooth and secure.





















Venmo
Zelle
ApplePayBrand new, never used AOS. I only opened box to take pictures. This is $500 plus shipping. I am asking $450. Text is best. Thanks for looking.
The IAG Air / Oil Separator (AOS) is a precision-engineered upgrade for your Subaru, designed to provide unmatched protection for 2015–2021 WRX and 2014–2018 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.











