2017-2018 Subaru Forester 2.5i Air Oil Separator Baja

The Subaru Original

• Maintenance-Free Closed System - No Catch Can Required

• Minimize Oil Consumption

• Prolong Engine Longevity

• Prevent Knock and Minimize Ringland Damage Risk

• Eliminate Fuel Contamination and Associated Performance Loss

Latest Baja Edition Improvements:

• Enhanced Labyrinth Design within Separation Chambers Boosts Performance
• Retains Factory PCV Components - Emissions Compliant
• Simple 2-Line Connection = 10-Minute Setup!
• Proven through Thousands of Competition Miles on Subaru-Sponsored Crosstrek Desert Racer

Dealing with oil accumulation in your intake manifold? Our Air Oil Separator prevents contamination before it begins.

The Crawford Performance Air Oil Separator (AOS) pioneered the fix for Subaru's well-documented lubrication system challenges. While similar technology existed for manufacturers like Porsche, Crawford Performance engineered the first application designed exclusively for Subaru vehicles.

Click here for our comprehensive FAQ blog covering the internal mechanics and technology.

Note: additional applications are under development. Don't see your vehicle listed? Explore our V2 Kits, offering the broadest compatibility range available.

Install Instructions