Features: 1.Offering desirable atmospheric blow-off valve sound, enhance turbo engines' high performance 2.Improve reaction of the turbine, vent extra boost air into the atmosphere instead of sending it back into the engine's pipe 3.The valve can be easily adjusted by turning the top of the valve to adjust spring pressure and can be done whilst fitted to the vehicle 4.High quality CNC billet aluminum alloy construction, corrosion resistant, reliable for long time use 5.Comes with fittings and hose, this blow off turbo valve is complete and easy to install Specification: Features:_x000D_ _x000D_ Offering desirable atmospheric blow-off valve sound, enhance turbo engines' high performance. _x000D_ Improve reaction of the turbine, vent extra boost air into the atmosphere instead of sending it back into the engine's pipe. _x000D_ The valve can be easily adjusted by turning the top of the valve to adjust spring pressure and can be done whilst fitted to the vehicle. _x000D_ High quality CNC billet aluminum alloy construction, corrosion resistant, reliable for long time use. _x000D_ Comes with fittings and hose, this blow off turbo valve is complete and easy to install. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% Brand New_x000D_ Material: Aluminum Alloy_x000D_ Color: Black_x000D_ Shape: Horn-shape, Round (optional)_x000D_ Size: 85 * 72mm/3.3 * 2.8in_x000D_ External Diameter: 25mm/1in_x000D_ Package Weight: 318-325g_x000D_ Fitment: Universal_x000D_ _x000D_ Package List:_x000D_ 1 * Blow off Valve_x000D_ 2 * Adapter_x000D_ 2 * Clamp_x000D_ 2 * Hose PackageList: