IAG Performance Air / Oil Separator (AOS) Competition to Street Series Conversion Kit - 2015-2021 WRX


$139.99 CAD

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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 2015-20 Subaru WRX. The kit includes the new billet aluminum V3 Street Series double breather, Street Series vent hose assembly, 3/8" hose with PCV valve, 90-degree fitting, and associated hardware.


  • This kit is used to convert vehicles with obsolete part# IAG-ENG-7282 to part# IAG-ENG-7182
  • WILL NOT FIT the V2 AOS with part# IAG-ENG-7252.



  • (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) Street Series Vent Hose Assembly (5/8 inch hose to Y fitting to (x2) 1/2 inch hoses)
  • (x1) 3/8 inch hose with integrated PCV valve (21 inch)
  • (x8) 8 inch zip ties
  • (x1) 3/8 inch 90 degree barb fitting

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