- Free Shipping! (Not including Alaska or Hawaii)
- 2008-2014 STi
- Brand: Crawford Performance
- Manufacturer's Part Number: S0713-1
- Alternate Part Numbers: S0713B
- UPC: 854894008051
- We ship internationally! Please email us for international shipping quotes.
Not a Catch Can - Closed Loop and Maintenance Free
Consume Less Oil
Extend the Life of your Engine
Reduce Detonation and Risk of Engine / Ringland Failure
Reduce Fuel Dilution and Subsequent Power Loss
Oil pooling in your intake? Stop the oil from ever getting there with the Crawford Air Oil Separator.
The Crawford Performance Air Oil Separator (AOS) is the original solution to Subaru's notorious oiling system issues. Although the technology was pre-existing with other vehicle brands such as Porsche, Crawford Performance is the inventor of the first system specifically for Subaru. No other AOS on the market employs the same technology
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