• Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
  • Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
  • Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
  • Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
  • Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
  • Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19 PLM
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Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19

Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19

$190.00
$245.00 $190.00
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*** IMPORTANT NOTE: Order processing can take up to 3 business days. Shipping timeframes start after the order processing has been completed. ***

Precision Works AOS Air Oil Separator - Subaru WRX 02-07 STi 04-19

Air oil separator removes oil from engine ventilation system so the oil does not get into the intake system.

Key Features:

  • Retains OEM PCV valve
  • Engine performs cleaner & efficiently
  • Precision CNC machined
  • 6061 billet aluminum
  • High quality continental hose
  • Includes fittings, caps, and zip ties

Designed to work with the following Subaru:

  • Subaru WRX 02-07
  • Subaru STi 04-19

Check out the AOS system for the 2015+ WRX here.

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