IAG step-by-step installation of the V3 Air/Oil Separator (AOS) on a 2018 - 2021 WRX.
We’re wrapping up production on earlier AOS models as well, so please subscribe and keep an eye out for GR and GD coming soon.
AIR OIL SEPARATORS - https://www.iagperformance.com/iag-parts/engine/oiling/?category/IAG-Parts%3EEngine%3EOiling%3EAir-Oil-Separators