Crawford Air Oil Separator Baja- 2017-2018 Forester 2.5i

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$ 299.99
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Experience Improved Engine Performance


Crawford Performance Air Oil Separator: The Subaru Original
Baja Edition for 2017-2018 Subaru Forester 2.5i

  • 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

New Baja Edition Features:

  • Labyrinth within Baffled Chambers increase efficiency
  • Does not delete Smog Component - Utilizes OEM PCV System
  • 2 Lines = 10 minute Install!
  • 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

If you own a 2017-2018 Forester 2.5i, you know that it's a reliable and efficient vehicle that can handle anything you throw at it. However, even the toughest vehicles need maintenance from time to time to keep them running at their best. That's where the Crawford Air Oil Separator Baja comes in.


The Crawford Air Oil Separator Baja is designed to improve the performance of your engine by keeping it clean and running smoothly. This simple yet effective accessory separates oil from the air that is circulated through your engine, which can have a big impact on its overall performance.


By removing oil from the air that is circulated through your engine, the Crawford Air Oil Separator Baja helps prevent buildup of contaminants and debris that can lead to reduced performance and engine damage. With this separator installed, your engine will run cleaner and more efficiently, which can help improve fuel economy and extend the life of your vehicle.


Installing the Crawford Air Oil Separator Baja is easy and straightforward, so you can get back on the road quickly with improved engine performance. If you want to keep your 2017-2018 Forester 2.5i running at its best, consider adding this must-have accessory to your vehicle today.

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