IAG AOS Street to Competition Series Conversion – Subaru WRX, STi, FXT, LGT & OBXT


The IAG AOS conversion kit is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS. 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.

This kit is designed to convert part# IAG-ENG-7151/IAG-ENG-7150 to part# IAG-ENG-7251/IAG-ENG-7250.

Features / Specs
(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

NOTE: May require tuning recalibration.

Weight1.25 kg
Dimensions30.00 × 30.00 × 15.00 cm


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Models suitable for this product

SubaruForester2004 - 20132.5XT
SubaruImpreza2004 - 2014WRX STi
SubaruImpreza2006 - 2014WRX
SubaruLegacy2005 - 20092.5GT
SubaruLegacy2006 - 2009Spec B.
SubaruOutback2005 - 20092.5XT
SubaruWRX2006 - 2014
SubaruWRX STi2004 - 2020

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