IAG Air / Oil Separator (AOS) V2 Competition to V2 Street Series Conversion Kit - 06-14 WRX, 04-21 STI, 05-09 LGT (V2 AOS Only)
Check Vehicle Fitment Confirm compatibility before ordering
2006–2007
Subaru
WRX
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
2008–2014
Subaru
WRX
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
2004–2007
Subaru
STI
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
2008–2014
Subaru
STI
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
2015–2021
Subaru
STI
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
2005–2009
Subaru
LEGACY
Trim
GT
Fitment Note
V2 Competition-to-V2 Street AOS conversion only.
The IAG AOS conversion kit is designed to switch the upper breather portion of the V2 Competition Series AOS to the V2 Street Series AOS on the 2006-14 Subaru WRX and 2004-20 STI. The kit includes the V2 billet aluminum Street Series double breather, 1/2" hose, 3/8" hose with integrated PCV valve and breather fitting, 90-degree fittings, straight unions and associated hardware.
Includes:
(x1) IAG V2 Street Series Air Oil Separator Upper Breather Port
(x1) Upper Breather Port O-Ring
(x1) M4 x 8mm socket head screw
(x1) 1/2 inch hose (39 inch length)
(x1) 3/8 inch hose (27 inch length) with PCV valve and breather fitting
(x1) 1/2 inch straight barb union fitting
(x2) 90 degree 1/2 inch fitting
(x10) 8 inch zip ties
(x1) 11 inch zip tie
(x1) 5/8 inch vinyl cap
(x1) 5/8 inch to 1/2 inch straight barb union with 2 inch of 5/8 inch hose
*This kit converts vehicles with part# IAG-ENG-7251 to IAG-ENG-7151
*This kit converts vehicles with part# IAG-ENG-7250 to IAG-ENG-7150
**This kit is also used to convert vehicles with obsolete part# IAG-ENG-7200 to part# IAG-ENG-7100.
Includes:
(x1) IAG V2 Street Series Air Oil Separator Upper Breather Port
(x1) Upper Breather Port O-Ring
(x1) M4 x 8mm socket head screw
(x1) 1/2 inch hose (39 inch length)
(x1) 3/8 inch hose (27 inch length) with PCV valve and breather fitting
(x1) 1/2 inch straight barb union fitting
(x2) 90 degree 1/2 inch fitting
(x10) 8 inch zip ties
(x1) 11 inch zip tie
(x1) 5/8 inch vinyl cap
(x1) 5/8 inch to 1/2 inch straight barb union with 2 inch of 5/8 inch hose
*This kit converts vehicles with part# IAG-ENG-7251 to IAG-ENG-7151
*This kit converts vehicles with part# IAG-ENG-7250 to IAG-ENG-7150
**This kit is also used to convert vehicles with obsolete part# IAG-ENG-7200 to part# IAG-ENG-7100.
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