Mishimoto Manual Boost Controller

The Mishimoto Manual Boost Controller (also called a manual boost controller or MBC) is a turbocharger boost control device. It lets you set and adjust boost pressure on a turbocharged engine. It is a simple, mechanical way to fine-tune boost without electronic tuning.

Key Features:

• Manual, mechanical design for adjusting turbo boost pressure
• Installs in the boost reference line between the turbocharger or intake source and the wastegate actuator
• Lets you raise or lower the boost pressure the wastegate holds
• Durable construction built for the heat and pressure of turbocharged engine bays
• Compact body that is easy to mount in the engine bay
• Backed by Mishimoto's engineering and quality standards for performance cooling and turbo-related parts

Mishimoto designs performance parts for enthusiasts who want repeatable, dependable results. A manual boost controller gives you hands-on control of boost levels for street, track, or custom-tuned builds. Choose the variant that matches your application. Use proper tuning practices and monitor boost and air/fuel ratios with appropriate gauges when adjusting boost.