IAG Street Series Air / Oil Separator (AOS) Subaru WRX 2015-2021 | IAG-ENG-7187 Color:Red The COBB 3-Port Boost Control

The COBB 3-Port Boost Control Solenoid (BCS) adds the flexibility and precision needed for properly controlling boost via the factory ECU

Lasts up to 5 years outdoors

5L EJ25 WRX / STI 2000-2005

Lighten your wallet while helping the environment

Great for those that plan to return the vehicle to stock one day

IAG Street Series Air / Oil Separator (AOS) Subaru WRX 2015-2021 | IAG-ENG-7187 Color:Red The COBB 3-Port Boost ControlFitment Information: 2015 2021 Subaru WRX Please note: The IAG AOS is not compatible with most aftermarket strut tower bars. Instructions: IAG ENG 7187 IAG Air Oil Separator for 2017 21 WRX PDF Instructions IAG ENG 7187 IAG Air Oil Separator for 2015 16 WRX PDF Instructions PROTECT YOUR ENGINE The IAG Air Oil Separator (AOS) is a smart investment to safeguard and improve your Subaru's performance. Developed over years of rigorous testing on various