Air Oil Separators

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Air/Oil Separator RED - Subaru 02-07 WRX, 04-21...

Most COMPLETE and COMPACT Air/Oil Separator on the market! An Air/Oil Separator has one job, remo...

Most COMPLETE and COMPACT Air/Oil Separator on the market! An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system.    The GrimmSpeed™ Air/Oil Separator for Subaru vehicles has a unique design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will allow your engine to run more efficiently due to the separation of oil from the intake ...

$404.00

Air/Oil Separator BLACK - Subaru 02-07 WRX, 04-...

Most COMPLETE and COMPACT Air/Oil Separator on the market! An Air/Oil Separator has one job, remo...

Most COMPLETE and COMPACT Air/Oil Separator on the market! An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does not get sent through the intake system.    The GrimmSpeed™ Air/Oil Separator for Subaru vehicles has a unique design that allows you to maintain your PCV Valve while separating the oil out of the crankcase and head ventilation air! Our AOS will allow your engine to run more efficiently due to the separation of oil from the intake ...

$404.00

AOS Drain Kit - EJ 2.5L AOS Units

OVERVIEW By using our add-on AOS Drain Kit, the AOS can be used for years of service-free ...

OVERVIEW By using our add-on AOS Drain Kit, the AOS can be used for years of service-free life.  There is no longer the need to drain, open up the unit, or do anything but drive the car!  This is optional, only those that want this function should purchase this add-on. The AOS works like a typical drain-style unit out of the box. WHAT IS INCLUDED Pre-Cut 1/2" Hose, 38" 3/4"x1/2"x1/2" T Adapter Fittings (1) 6AN ORB to 1/2" Hose Barb (1) AOS Drain Fitting (1) #014 Buna O...

$50.00

AOS Kit, Anodized Red - GV/GR Subaru STI

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains o...

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil-free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build-up. The unit installs like an OE component with no change to the tune or setup needed. The Verus AOS also filters both the crankcase vent location as well as the intake filter location, through a single unit. Four, 5 micron, coalescent filters, one on each inlet and outlet, baffling...

$515.00

AOS Kit, Anodized Blue - GV/GR Subaru STI

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains o...

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil-free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build-up. The unit installs like an OE component with no change to the tune or setup needed. The Verus AOS also filters both the crankcase vent location as well as the intake filter location, through a single unit. Four, 5 micron, coalescent filters, one on each inlet and outlet, baffling...

$515.00

AOS Kit, Anodized Black - GV/GR Subaru STI

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains o...

OVERVIEW The Verus Engineering Air Oil Separator (AOS) ensures the intake system remains oil-free. Oil in the intake system reduces octane, which can lead to detonation, reduction in power, and carbon build-up. The unit installs like an OE component with no change to the tune or setup needed. The Verus AOS also filters both the crankcase vent location as well as the intake filter location, through a single unit. Four, 5 micron, coalescent filters, one on each inlet and outlet, baffling...

$515.00

IAG AOS Pitch Mount Bracket for 2008-14 Subaru ...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standa...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The 3 piece billet aluminum bracket is CNC machined in our Westminster facility and features all the mounting holes required to relocate the AOS from the passenger side strut tower to the center firewall above the transmission pitch mount. Repositioning the AOS to this location may be necessary for clearance with some front mount intercoolers and r...

$73.00

IAG AOS Pitch Mount Bracket for 2006-07 Subaru ...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standa...

The IAG Performance AOS (Air Oil Separator) pitch mount bracket is designed to replace the standard mounting bracket included with IAG's AOS kits. The 2 piece billet aluminum bracket is CNC machined in our Westminster facility and features all the mounting holes required to relocate the AOS from the passenger side strut tower to the center firewall above the transmission pitch mount. Repositioning the AOS to this location may be necessary for clearance with some front mount intercoolers and r...

$55.00