COBB Tuning Air/Oil Separator – Subaru WRX 2008-2014, STI 2008-2020
- Billet Aluminum Tank Design
- Bespoke COBB Anodizing on Caps
- Wrinkle Black Powder Coated Canister
- Laser Etched COBB Logo
- Developed in Partnership with IAG Performance
The COBB Air/Oil Separator is placed within your Subarus crankcase ventilation system and helps to prevent oil vapors from being introduced into the intake system. Oil vapors passing through your engine’s intake system lower the effective octane rating of fuel and can contribute to both oil and carbon buildup over time. The COBB Air Oil Separator has been developed in partnership with IAG Performance and offers exclusive features.
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