Crawford Performance  |  SKU: S07151

Crawford Performance Air Oil Separator V2 Forester XT 2004-2006

$ 39999 USD $ 42999
Shipping calculated at checkout.

Intercooler Location

Delivery and Shipping

All sales are final. Some products take longer to ship than others. Please contact us for exact delivery timeline.

Crawford Performance Air Oil Separator V2 - Forester XT 2004-2006

Crawford Performance Air Oil Separator: The Subaru Original

  • 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.

Note: For Off-Road Use Only

Want to know more about how an Air/Oil Separator works and why you need one? 

Click here to check out our FAQ blog on the technology inside. 
There you can also find a full fitment list for all current versions and kits.

Also check out our latest technology with patent pending:
The Crawford Performance Dual Chamber AOS (V3)

Payment & Security

Payment methods

  • PayPal
  • Venmo

Your payment information is processed securely.
We do not store nor have access to your credit card information.

Crawford Performance Air Oil Separator V2 - Forester XT 2004-2006.
Crawford Performance

Crawford Performance Air Oil Separator V2 Forester XT 2004-2006

From $ 29999 USD $ 42999

Crawford Performance Air Oil Separator V2 - Forester XT 2004-2006

Crawford Performance Air Oil Separator: The Subaru Original


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.

Note: For Off-Road Use Only

Want to know more about how an Air/Oil Separator works and why you need one? 

Click here to check out our FAQ blog on the technology inside. 
There you can also find a full fitment list for all current versions and kits.

Also check out our latest technology with patent pending:
The Crawford Performance Dual Chamber AOS (V3)

Intercooler Location

  • Front Mount
  • Top Mount
View product