Key features

• •The IAG AOS conversion kit is designed to switch the upper breather portion of the V3 Competition Series AOS to the V3 Street Series AOS on the 2006-14 WRX and 2004-21 STI.
• •The kit includes the new billet aluminum Street Series double breather, 1/2" hose, 3/8" hose with integrated PCV valve and hose clamp, 90-degree fittings, straight unions and associated hardware.
• •Fitment: This kit converts vehicles with part# IAG-ENG-7281 to IAG-ENG-7181, This kit converts vehicles with part# IAG-ENG-7280 to IAG-ENG-7180, WILL NOT FIT V2 AOS with part# IAG-ENG-7251 and IAG-ENG-7250
• •Includes: (x1) IAG V3 Street Series Air Oil Separator Upper Breather Port, (x1) Upper Breather Port O-Ring, (x2) M4 x 25mm 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