Description
Fitment Information:
2015-2021 Subaru WRX
Please note: The IAG AOS is not compatible with most aftermarket strut tower bars.
Instructions:
IAG-ENG-7187 – IAG Air / Oil Separator for 2017-21 WRX – PDF Instructions
IAG-ENG-7187 – IAG Air / Oil Separator for 2015-16 WRX – PDF Instructions
PROTECT YOUR ENGINE
The IAG Air/Oil Separator (AOS) is a smart investment to safeguard and improve your Subaru’s performance. Developed over years of rigorous testing on various standard and competitive applications, the IAG AOS provides unmatched protection for your 2015-2021 Impreza WRX engine. IAG exclusive AOS design incorporates a 1-liter cast aluminum swirl pot canister that significantly improves oil separation from the PCV system before returning PCV gasses to the intake. The durable and lightweight aluminum housing provides improved ventilation, while incorporating the use of an intelligent baffle design that sets it apart from the competition. It works with all fuel types, prolongs engine lifespan, enhances crankcase ventilation, and seamlessly integrates with standard ECU settings.
SAE QUICK CONNECTION LINES
IAG’s Air Oil Separator comes with a complete set of custom-length SAE Quick Connection lines, simplifying the installation process and minimizing the risk of leakage as a result of a more dependable and secure connection compared to standard hose clamps. Once installed, this AOS system features a polished factory-like appearance that matches your Subaru’s engine.
Features:
- Keep oil out of the intake
- Improves the OEM PCV system with new check valve
- Minimizes condensation build up
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