Oil catch tank, collects oil and oil sludge from the crankcase ventilation - instead of sending it into the intake again

All models

White-yellow ish spots on my oil cap : r/MechanicAdvice

DIY - PCV Delete (Positive Crankcase Ventilation) - Team-BHP

Oil catch can vs breather vs breather catch can

Baffled Can Can Benefits: After installing an oil catch can, this could catch the oil and moisture from PCV/CCV , prevent carbon and sludge build-up

PWR FEVER Upgraded Baffled Oil Catch Can with Breather Filter Kit Aluminum Reservoir Tank with 3/8 Strengthened NBR Fuel Line Black 400ml

Universal Billet Aluminum Baffled 2-port New Long Oil Catch Can

Help! catch can drain back thoughts. - Honda-Tech - Honda Forum

Aluminum Universal Racing AN10 Oil Catch Tank Can Turbo Reservoir

DIY - PCV Delete (Positive Crankcase Ventilation) - Team-BHP

Learn how to stop blow-by from damaging your engine

Oil catch can 4.2 FSI - AudiWorld Forums

Oil Catch Can Kit | 2007-2010 | R55-R57 | N14B Engine | 56-310313

This is why you should run a catch can.

IAG V3 Street Series AOS (Red) The IAG Performance V3 Street Series Air / Oil separator (AOS) is an excellent investment to keep your Subaru vehicle running well. The Street Series AOS maintains OEM PCV system functionality, but supplements its capacity. The Street Series AOS design is based on years of extensive testing on standard and competition applications.

IAG V3 Street Series Air / Oil Separator (AOS) for 2008-14 WRX & 2008-21 STI - Red Finish

Blog - December 2022

Fresh engine oil in air intake