IAG Performance V4 Air Oil Separator AOS - Black - 2004-2007 Subaru STI / 2006-2007 WRX PDM_windshield-shades Extremely lightweight when compared to

Extremely lightweight when compared to the OEM exhaust and competitive aftermarket exhaust systems

while giving you all of the performance attributes you need in a track focused wheel for your Subaru WRX / STI

Also adds a layer of protection to the filter from heavy dust or dirt

Provides highly aggressive intake tone under acceleration

ETS has fabricated this exhaust system from 304 stainless steel and exhaust hangers have been welded onto the OEM locations to make this system a direct bolt-on without the need for further alterations to the body or chassis for fitment

IAG Performance V4 Air Oil Separator AOS - Black - 2004-2007 Subaru STI / 2006-2007 WRX PDM_windshield-shades Extremely lightweight when compared toIAG V4 Air Oil Separator AOS Black 2004 2007 Subaru STI 2006 2007 WRX Keep Oil Out of Your Intake The IAG V4 Air Oil Separator (AOS) is designed to protect and improve the performance of your 2006 2007 Subaru WRX or 2004 2007 STI by intercepting crankcase blow by oil before it reaches the intake tract. Developed after years of testing on both street and competition applications, the IAG AOS uses a 1 liter cast aluminum swirl pot canister to