Dual Stage Electronic Turbo/Turbocharger PSI Boost Controller Kit with Switch Blue Application: For Turbocharged Vehicles without Electronic Controlled Wastegates Descriptions: - Made with High Quality Aluminum for Enhanced Strength and Durability - Polished Anodized Finish - Comes with Mounting Hardware and Toggle Switch - Dual Stage Boost Adjustments for Low and High Boost - One Way T-Valve - Better Control for Boost Spikes than Manual Controllers Increase fast boost response with two adjustable boost levels. Toggle between high and low boost on the fly. Ideal replacement for factory boost controllers. Both high and low boost settings are fully adjustable. Improve turbo response by up to 800 rpm earlier in the rev range this means that you can increase the performance and response from your engine without even raising the maximum boost level. Manufactured from high-grade billet aluminium, it allows for accurate and simple tuning of boost pressure. This Dual Stage Boost Control Valve range is ideal for mildly modified turbocharged engines and perfect for increasing boost levels on factory turbo cars and turbocharged engines. Specifics and Features: Note: 1.Installation Instruction is NOT Included. 2.Professional Installation is Highly Recommended 3.There may be slight size deviations due to manual measurement, different measuring methods and tools. 4. The picture may not show the actual color of the item because of different photographing light, angle and display monitor. Package included: detile: