What's an Air Oil Separator (AOS)? Why YOU SHOULDN'T DRIVE WITHOUT IT

This video explains what an Air Oil Separator (AOS) is, how it functions, and why it is essential.
IAG Air Oil Separator AOS For 2021+ 2.7L Ford Bronco
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IAG Air Oil Separator AOS For 17-23 Ford F-150 & Raptor 3.5L EcoBoost
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[@BentonL]

$500 for a catch can? I will stick with my double vibrant set up. I never have to drain it as it has a return to crank case.