Precise Boost Adjustment: Experience optimal engine performance with our manual boost controller, allowing for precise adjustments from 1-30 PSI. This controller is designed to enhance your vehicle's efficiency and response, outperforming traditional methods. Universal Fit for Turbo Engines: Our boost controller is equipped with a 4AN connector suitable for 1/4 inch hoses, ensuring a universal fit for most turbocharged engines. Its versatile design guarantees compatibility and maximizes engine output. Robust Aluminum Construction: Built from premium aluminum alloy, this boost controller is engineered for durability and resistance to rust. It promises long-lasting reliability and performance under rigorous conditions of a turbocharged engine. Simple Installation Process: This kit includes all necessary accessories for a hassle-free installation. Its compact design allows for easy setup without any modifications, making it accessible even for those with limited mechanical knowledge. Detailed Installation Guide: To install, cut the turbine vacuum tube, insert the tee, connect one end of the vacuum tube to the controller, and the other to the pressure relief valve. all connections are sealed properly before adjusting the screw for stable idle speed. The actual product may have slight color difference or discrepancy, which not affect the use Colour:Black Material:Aluminum Alloy Package Contents: 1x Manual Boost Controller Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.