IAG Performance sells Air Oil Separators for your 2002-2023 Subaru WRX, STI, Legacy GT, Forester XT, and BRZ. We have a large selection of AOSs, Lines, Conversions, Fittings, Brackets, Hardware, and more.
Here are just a few of the brands we carry-
IAG Performance, Perrin Performance, Radium Engineering
IAG Air / Oil Separator (AOS) Fits 2022-25 Subaru WRX
IAG Air / Oil Separator (AOS) For 08-14 Subaru WRX, 08-21 STI, 09-13 FXT, 05-09 LGT & OBXT
IAG Air / Oil Separator (AOS) For 2020-25 Outback XT, 2022-25 Outback Wilderness
IAG Air / Oil Separator (AOS) Fits 2015-21 Subaru WRX, 2014-18 FXT
IAG Air / Oil Separator (AOS) Fits 2002-07 Subaru Impreza WRX, 2004-07 STI, 2004-08 FXT
IAG AOS Strut Tower Mounting Bracket for Rotated Turbo Kits Fits 2006-07 WRX, 2004-07 STI, 2004-08 FXT
IAG AOS Strut Tower Mounting Bracket For 2008-21 Subaru WRX / STI, 2005-09 LGT
IAG AOS Pitch Mount Bracket for 2006-07 Subaru WRX / STI, 2004-08 FXT
IAG AOS Pitch Mount Bracket for 2008-14 Subaru WRX / STI, 2005-09 LGT
IAG AOS Replacement Harness Relocation Bracket 08-14 Subaru WRX, 08-21 STI & 05-09 LGT
IAG AOS Replacement ECU Relocation Bracket for 15-17 WRX
IAG Performance V3 Street Series AOS PCV Line Kit (12") For EJ25/FA20 DIT Engines
IAG Replacement EJ .75" x 2" Block Drain Hose for V2 / V3 AOS
IAG Replacement EJ .5" x 26" Drain Hose for V2 / V3 AOS
IAG V2 AOS Coolant Line 24"
IAG V2 AOS Coolant Line 43"
IAG V2 AOS Replacement 15.5" Coolant Line For 2015-20 WRX
IAG Performance Replacement V3 AOS 15.5" Coolant Line & Fittings For 2015-21 WRX
IAG Performance Replacement V3 AOS 20" Coolant Line & Fitting For 02-14 WRX, 04-21 STI, 05-09 LGT
IAG Performance Replacement V3 AOS 43" Coolant Line & Fitting For 2015-21 WRX
IAG V3 Street Series AOS Replacement Hose Line & Hardware Install Kit For 06-07 WRX, 04-07 STI
IAG V3 Street Series AOS Replacement Hose Line & Hardware Install Kit For 08-14 WRX, 08-21 STI
IAG V3 Street Series AOS Replacement Hose Line & Hardware Install Kit For 2015-21 WRX
IAG V2 Competition Series AOS Replacement Hose Line & Hardware Install Kit For 06-07 WRX, 04-07 STI
IAG V2 Competition Series AOS Replacement Hose Line & Hardware Install Kit For 08-14 WRX, 08-18 STI
IAG V2 Competition Series AOS Replacement Hose Line & Hardware Install Kit For 2015-20 WRX
IAG V2 Street Series AOS Replacement Hose Line & Hardware Install Kit For 06-07 WRX, 04-07 STI
IAG V2 Street Series AOS Replacement Hose Line & Hardware Install Kit For 08-14 WRX, 08-21 STI
IAG V2 Street Series AOS Replacement Hose Line & Hardware Install Kit For 2015-18 WRX
IAG Replacement Y Connector Fitting For AOS PCV
IAG Replacement 3/8" NPT to 5/8" Barb Hose Fitting
IAG Stainless Steel AN Breather Fitting Set for 2004-21 Subaru STI, 05-14 WRX, 04-13 FXT, 05-09 LGT
IAG V2 AOS Replacement O-Ring Seals and Hardware Set
IAG V3 AOS Replacement O-Ring Seals and Hardware Set
Radium Engineering 02-07 Subaru WRX STI Air Oil Separator Kit - 20-0207-02
Radium Engineering 2015+ Subaru WRX Air Oil Separator Kit (INCLUDES 20-0255) - 20-0258-00
