What is the Crawford Air Oil Separator Baja?

• 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

• Custom Colors available

• Default Color is Satin Black

New Baja Edition Features:

• Labyrinth within Baffled Chambers increase efficiency

• Does not delete Smog Component - Utilizes OEM PCV System

• 2 Lines = minimum complexity

• Design tested on the Subaru-Backed Crosstrek Desert Racer for thousands of race miles

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.

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.

Note: more fitment options are currently in R&D. Is your car or application unavailable? Click here to check our V2 Kits, which have the widest range of fitments. 

Install Instructions:
Please note! This kit can be installed with or without Power Blocks.
Default spacers are without Power Blocks!
Written PDF

The Crawford Air Oil Separator Baja is a high-quality performance intake component that's designed to fit 2017+ Impreza 2.0 models. It is designed to help keep your engine's internal parts clean and prevent oil from contaminating your intake air.

This air oil separator is made from durable materials and engineered to separate oil mist from the air before it reaches your intake system. As a result, your engine will perform better and last longer, as it won't be affected by harmful contaminants.

With the Crawford Air Oil Separator, you can eliminate the need for frequent oil changes and enjoy a cleaner, more efficient engine. It's an excellent upgrade for anyone looking to improve their Impreza's performance and reliability.