Subaru Air/Oil Separator WRX 2015-2020
- 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 Subaru Air/Oil Separator helps to prevent crankcase oil vapors from recirculating back through your engine’s 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.
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