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Coupon Code Boost5 at checkout

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Financing available for as low as 0%.

We're open and shipping!

Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand, please allow some extra time for items to ship and please inquire about inventory if it is not directly listed on the product.

Financing available for as low as 0%.

IAG Street Series Air Oil Separator - 08-20 STI / 08-14 WRX

The IAG Performance Street Series billet aluminum Air / Oil separator (AOS) vents crankcase gases back to the turbo inlet. The design is based on years of service on racing and high horsepower Subaru's. The AOS's approximate 1 liter capacity, fully heated housing, superior breathing and unique patent pending baffle design sets it apart from the rest. 

AOS TOP

  • Breather Port Rotation For Install Ease
  • Dual Breather Port
  • Gr. . . Show More >

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