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Cobb’s air‑oil separator tailored for Subaru fits WRX 2008–2014 and STI 2008–2020 models. The separator removes oil from crankcase vapors before they reenter the intake, helping reduce buildup and preserve intake cleanliness. It’s a model‑specific component intended as a direct‑fit upgrade where Cobb’s application listing applies, simplifying installation for these Subaru platforms.
Cobb 08-14 Subaru WRX / 08-20 STI Air Oil Separator
