Feature:1. There is an exhaust amplifier in the relief pressure valve, when the pressure reaches a certain time, the relief pressure valve will open to reduce the protection of the rotating speed of the turbo protects the engine, the supercharge value allows the waste gas relief pressure valve to open later increases the supercharge values.2. Universal for all car models, which is a practical modification accessory.3. Adjust air pressure, improve engine performance, protect turbo, eliminate part of turbo hysteresis.4. Easy to install, no complicated tools required, which is convenient to use5. Made of quality aluminum alloy material, firm, corrosion resistant , antirust and durable to use.Specification:Condition: 100 percent NewItem Type: Boost Controller KitMaterial: Aluminum AlloyColor: As picture shownApplication: Universal for all car models.Package List:1 x Turbo Boost Valve1 x Connector1 x Hose1 Set of Mounting Accessory