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The IAG 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 IAG Air/Oil Separator offers unparalleled protection for your 2006-2007 Impreza WRX or 2004-2007 STI engine. Our 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. Constructed from a lightweight, yet durable aluminum housing, the IAG AOS offers improved ventilation and incorporates 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. The IAG Air/Oil Separator 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, then drains gradually into the engine's crankcase. The oversized AOS body allows the oil to drain slowly, eliminating the risk of overflow often seen in smaller catch cans. Our exclusive heating system ensures that the gathered oil remains free of sludge, reducing the possibility of reintroducing it back into the engine. IAG’s Air Oil Separator includes a full set of custom length SAE Quick Connection lines that simplify the installation of the AOS system, as well as reduce the chance of leakage because they offer a more reliable and secure connection than basic hose clamps. Once installed, our AOS system has a polished factory-like appearance that blends seamlessly with your Subaru’s engine.
IAG Performance IAG Air Oil Separator AOS For 06-07 WRX, 04-07 STI, 04-08 FXT - Black IAG-ENG-7185BK
Specifications:
| Description_SHO | Air Oil Separator |
| Description_INV | IAG Air Oil Separator - Black |
| Description_ASC | Package Includes: 1x Air Oil Separator, 1x Hose And Fitting Kit, 1x Mounting Bracket |
| Description_ASC | The IAG Air Oil Separator works with the OEM PCV system, while boosting its capacity. |
| Description_ASC | The IAG Air Oil Separator is constructed from a lightweight, yet durable aluminum housing that is even lighter than any of our previous versions. |
| Description_KSW | IAG Performance |
| Description_LAB | Air Oil Separator AOS - Black |
| Description_DES | Air Oil Separator AOS - Black |
| Description_APS | Subaru: Impreza 04 - 07 WRX / WRX Limited / WRX STI / WRX STI Limited / WRX TR |
| Description_EXT | IAG Air Oil Separator AOS For 06-07 WRX, 04-07 STI, 04-08 FXT - Black |
| Description_MKT | The IAG 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 IAG Air/Oil Separator offers unparalleled protection for your 2006-2007 Impreza WRX or 2004-2007 STI engine. Our 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. Constructed from a lightweight, yet durable aluminum housing, the IAG AOS offers improved ventilation and incorporates 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. The IAG Air/Oil Separator 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, then drains gradually into the engine's crankcase. The oversized AOS body allows the oil to drain slowly, eliminating the risk of overflow often seen in smaller catch cans. Our exclusive heating system ensures that the gathered oil remains free of sludge, reducing the possibility of reintroducing it back into the engine. IAG’s Air Oil Separator includes a full set of custom length SAE Quick Connection lines that simplify the installation of the AOS system, as well as reduce the chance of leakage because they offer a more reliable and secure connection than basic hose clamps. Once installed, our AOS system has a polished factory-like appearance that blends seamlessly with your Subaru’s engine. |
| Description_FAB | Keeps oil out of your intake for improved performance. |
| Description_FAB | Unique baffle system that captures the oil suspended in your engine's PCV gasses, which are then able to drain back into the crankcase. |
| Description_TLE | IAG Performance Air Oil Separator AOS For 06-07 WRX, 04-07 STI, 04-08 FXT - Black |
| Description_DEF | Engine Oil Separator |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2006 | Subaru | Impreza | WRX | |
| 2007 | Subaru | Impreza | WRX | |
| 2006 | Subaru | Impreza | WRX Limited | |
| 2007 | Subaru | Impreza | WRX Limited | |
| 2004 | Subaru | Impreza | WRX STI | |
| 2005 | Subaru | Impreza | WRX STI | |
| 2006 | Subaru | Impreza | WRX STI | |
| 2007 | Subaru | Impreza | WRX STI | |
| 2007 | Subaru | Impreza | WRX STI Limited | |
| 2006 | Subaru | Impreza | WRX TR | |
| 2007 | Subaru | Impreza | WRX TR |