Mazda MPS3 Boost Control Solenoid - COBB - 3-Port - 07-11. This compact electronic solenoid delivers precise, tunable boost control for 2007-2011 Mazda MPS3 (Mazdaspeed3) vehicles.

COBB’s 3-port layout provides greater control authority than the factory setup, allowing the ECU to manage wastegate duty with finer resolution. When paired with proper calibration, it helps achieve consistent boost targets with improved stability under varying load and conditions. Built for reliable under-hood operation and crisp response, it’s a solid choice for enthusiasts assembling a dependable, tune-ready boost system. Professional installation and post-install tuning are strongly recommended.

Features

• 3-port design for increased boost control range
• Fits 2007-2011 Mazda MPS3 (Mazdaspeed3)
• Supports stable boost targets with correct tuning
• Fast, consistent response for wastegate control
• Durable construction for engine bay environments

Have questions or need guidance for your build? Call us at 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations—in Austin, Texas and the Los Angeles, California area—offering installation and customization services.

If you are considering multiple items, contact us for shipping discounts. We install on premises at both locations.

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