IAG Air / Oil Separator (AOS) For 2006-07 Subaru Impreza WRX & 2004-07 STI

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Your Price: $439.99

Part Number: IAG-ENG-7180

Availability: Usually Ships in 2 to 3 Weeks Free Shipping

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PROTECT YOUR ENGINE

The IAG Performance V3 Street Series Air/Oil Separator (AOS) is a worthwhile investment to safeguard and enhance the performance of your Subaru. Developed through years of testing on standard and competitive applications, the Street Series AOS design offers unmatched protection for your engine. IAG’s AOS features 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 Street Series AOS is made up of an aluminum housing that offers improved ventilation and it features an intelligent baffle design that sets it apart from the competition. It is compatible with all fuel types, extends engine life, improves crankcase ventilation, and seamlessly integrates with standard ECU settings.

STOPS OIL FROM ENTERING THE INTAKE

The presence of oil in the engine's intake tract can lead to various negative effects. Keeping oil out of the engine intake is crucial to prevent early mechanical issues and to maintain optimal performance in your Subaru. The oil can coat the internal components of the intake, intercooler and plumbing, which can deteriorate the rubber or silicone hoses, eventually leading to compromised connections. Once inside the intake tract, the oil can access the intake manifold and then the engine’s combustion chamber, potentially triggering detonation, pre-ignition, excessive emissions, smoke, power loss, reduced fuel efficiency, and even engine damage or complete engine failure.

MAINTENANCE FREE

The IAG AOS V3 Street Series AOS was designed for ease of use and unlike ordinary catch-can systems, our Air Oil Separators work without the need for routine draining or maintenance. The separated oil collects along the walls of the AOS can and drains gradually into the engine's crankcase. The large size of the AOS body allows the oil to drain gradually, eliminating the risk of overflow often seen in smaller catch cans. Our unique heating system ensures that the gathered oil remains free of sludge, reducing the possibility of reintroducing it back into the engine.

EASY INSTALLATION

IAG engineers set out to make the system as easy to install as possible for the 2006-07 Subaru Impreza WRX & 2004-07 STI. This system will also work on the 02-05 WRX with relocation of the cruise control module. The connection hoses are measured out and arrive pre-cut to the exact length to reach the corresponding engine parts. The AOS is available in your choice of black, red or neon yellow to accent the engine bay of your Subaru.

INSTALLATION INSTRUCTIONS

https://www.iagperformance.com/content/instructions/IAG/IAG-ENG-7180/SS-AOS-06-07-WRX-04-07-STI.pdf

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