Air and Fuel› Superchargers, Turbochargers and Components

Cobb

3-Port Boost Control Solenoid

$185.00

SKU: 08673B

In Stock
In Stock
Ships by Aug 3
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Cobb 3-Port Boost Control Solenoid (BCS) enhances boost control accuracy and responsiveness for modified turbocharged vehicles. This upgrade offers improved performance, greater reliability, enhanced safety, and more versatile installation possibilities. This component is specifically designed for 2008-2014 Subaru WRX, 2008-2021 Subaru WRX STI, 2005-2010 Subaru Legacy GT, 2005-2009 Subaru Outback XT, and 2009-2013 Subaru Forester XT models. Crucially, the installation of this 3-Port BCS requires a custom tune to function correctly and safely. For setups utilizing an external wastegate, an additional upgrade kit is also necessary.

MIA's Description

The Cobb 3-Port Boost Control Solenoid (BCS) adds flexibility and precision for controlling boost via the factory ECU. It is required for many turbocharging system upgrades, such as larger turbochargers and external wastegates. This component provides increased performance, reliability, flexibility, safety, and installation options.

Fitment

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Specifications

BrandCobb
Part Number08673B
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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