Cobb 15-20 Subaru WRX Air Oil Separator
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.
The COBB Air Oil Separator has been developed in partnership with IAG Performance and adds exclusive includes.
The Subaru FA engine has 2 ports that vent crank pressure: one on each cylinder head and another on the top of the block.
Features
- Billet Aluminum Tank Design
- Bespoke COBB Anodizing on Caps
- Wrinkle Black Powder Coated Canister
- Laser Etched COBB Logo
- California Residents: Prop 65 Warning
Applications
- 2015 – 2020 Subaru WRX
What’s Included
- 1 – Cobb AOS
- Hoses & Hose Fittings
- Mounting Brackets & Hardware
Product Details
- Manufacturer part number: 843615
- Manufacturer’s Warranty
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