2018-2021 STI Air/Oil Separator (AOS) Install Instructions | IAG Performance

IAG step-by-step installation of the V3 Air/Oil Separator (AOS) on a 2018 STI.

We’re wrapping up production on earlier AOS models as well, so please subscribe and keep an eye out for early-VA, GR and GD coming soon.

What type of videos would you like to see next? We’re dedicated to bringing you more educational and instructional content moving forward and would love to hear your requests in the comments below.

AIR OIL SEPARATORS - https://www.iagperformance.com/engine...

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