Moroso air/oil separator catch can for 2008–2014 Subaru WRX STi with a front-mount intercooler is a billet aluminum unit with a black finish that separates oil and crankcase vapors from intake air to reduce contamination. Offered as a fit-for-purpose solution for those STi models, the black-machined small body gives a compact, serviceable location to trap oil and vapor before the intake.
Moroso 08-14 Subaru STi (w/Front Mount Intercooler) Air/Oil Separator Catch Can - Billet Alum -Black