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IAG Performance AOS Competition to Street Series Conversion Kit - 15-18 WRX

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 2015-16 Subaru WRX. The kit includes the new billet aluminum Street Series double breather with PCV fitting, Street Series vent hose assembly, 3/8" hose, 90-degree fitting, and associated hardware. 

  • (x1) IAG Street Series Air Oil Separator Upper Breather Port
  • (x1) Upper Breather Port O-Ring
  • (x1) PCV valveShow More >



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