COBB 3-Port Boost Control Solenoid (712750) | Subaru WRX 2002-2007 / STI 2004-2007 / Forester XT 2004-2008

The COBB 3-Port Boost Control Solenoid enhances turbocharger response and boost stability by providing faster and more consistent control compared to factory solenoids. Engineered for precision and reliability, it offers tuners improved authority over boost targets, enabling stronger and more predictable performance in both stock and modified Subaru turbo setups.

KEY FEATURES

• Faster and more accurate boost control than OEM solenoid
• Reduces boost oscillation for smoother power delivery
• Supports higher boost targets when properly tuned
• Compact, durable construction for long-term reliability
• Direct plug-and-play installation for supported Subaru models

TECHNICAL SPECIFICATIONS

• 3-port interrupt configuration for increased boost control range
• Precision-wound coil for fast solenoid response
• High-temperature and corrosion-resistant housing
• Integrated mounting hardware for secure fitment
• Designed for use with COBB OTS and custom tuning strategies

VEHICLE FITMENT

• Subaru WRX 2002-2007
• Subaru STI 2004-2007
• Subaru Forester XT 2004-2008

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.