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.
 

For 2006-14 Subaru WRX and 2004-18 STI:

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

 

For 2015-16 Subaru WRX FA20 DIT engine :

*This kit is designed to convert part# IAG-ENG-7101 to part# IAG-ENG-7201.

• (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