The IAG AOS conversion kit is designed to switch the upper breather portion of the Competition Series AOS to the Street Series AOS on the 2015-17 Subaru WRX. The kit includes the new billet aluminum Street Series double breather, Street Series vent hose assembly, 3/8″ hose with Breather fitting and PCV valve, 90-degree fitting, and associated hardware.

Includes:
(x1) IAG 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-7252 to IAG-ENG-7152