IAG Performance


IAG Performance Air / Oil Separator (AOS) Street to Competition Series Conversion Kit For 2006-2014 WRX, 2004+ STI

The IAG AOS conversion kit is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS in the 2006-14 Subaru WRX and 2004-18 STI. The kit includes the new billet aluminum Competition Series Single breather port, replacement breather o-ring, breather discharge hose, NPT plug, (x2) rubber caps and zip ties. 

*May require tune recalibration.

*This kit is designed to convert part# IAG-ENG-7100 to part# IAG-ENG-7200.


  • (x1) IAG Competition Series Breather Port
  • (x1) Breather port o-ring
  • (x1) 1" I.D. Breather discharge hose 60 inch length
  • (x1) 1/4 inch NPT plug
  • (x1) 1/2 inch rubber cap
  • (x1) 5/8 inch rubber cap
  • (x1) 11 inch zip tie
  • (x5) 6 inch zip tie

2006-2014 WRX
2004+ STI

*Pictures used for marketing purposes only, actual products may vary


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