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Use Coupon Code BOOST5 at Checkout!

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IAG Performance AOS Street to Competition Series Conversion Kit - 2015-2021 WRX


The IAG AOS conversion kit for the 2015-16 Subaru WRX FA20 DIT engine is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS. The kit includes the new billet aluminum Competition Series Single breather port, replacement breather o-ring, breather discharge hose, (x1) cap, (x1) plastic plug and zip ties.

*May require tune recalibration.

  • (x1) IAG Competition Series Breather Port
  • (x1) Breather port o-ring
  • (x1) 1 inch I.D. breather discharge hose (55 inch length)
  • (x1) 3/8 inch plastic plug
  • (x1) 5/8 inch rubber cap
  • (x8) 8 inch zip tie

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