Company23 Anti Surge V3 Boost Control Solenoid 2008-2021 STI

Transform your Subaru’s boost control with the game-changing Company23 Anti Surge V3 Boost Control Solenoid. Its unique anti-surge technology eliminates wastegate flutter for a smoother and more powerful ride. Top tuners have proven its benefits on street and track, making it the ultimate choice for precision boost tuning. Includes OEM mounting and “plug and tune” compatibility for all models.

Advantages over other aftermarket 3-port boost control solenoids:

• Eliminates wastegate flutter.
• Prevents oscillation in the boost curve.
• Makes more horsepower and torque when compared to a detuned map focused on eliminating flutter.

Advantages over manual boost controllers:

• Allows RPM/load dependent boost control
• No need to worry about partial throttle/full boost during closed loop.
• Does not require retuning for temperature/season changes or extreme changes in elevation.

Advantages over standalone electronic boost controller or standalone ECUs:

• Retains OEM reliability and driveability.
• Is “plug and tune” easy.
• Significantly less expensive.
• Less complexity.