Features: 1.Made of 304 stainless steel which is durable and reliable. 2.Fits with automobile exhaust pipe whose diameter is 51mm. 3.The pressure range: -2 psi - 5.5 psi. 4.The valve is closed/open(optional) at free condition. 5.Rod end bearing linked between actuator and gate lever. Specification: Features:_x000D_ _x000D_ Made of 304 stainless steel which is durable and reliable. _x000D_ Fits with automobile exhaust pipe whose diameter is 51mm. _x000D_ The pressure range: -2 psi - 5.5 psi. _x000D_ The valve is closed/open(optional) at free condition. _x000D_ Rod end bearing linked between actuator and gate lever. _x000D_ _x000D_ Specification:_x000D_ Condition: 100%Brand New_x000D_ Material: Stainless Steel_x000D_ Diameter: 2in_x000D_ Suitable for Vehicles: Various Types of Vehicles_x000D_ Installation Position: Automobile Exhaust Pipe_x000D_ Installation Methods: Welding Installation_x000D_ Driving Source: Vacuum Suction_x000D_ Closed Style Pressure: About 1 Bar_x000D_ _x000D_ Package List:_x000D_ 1* Vacuum Activated Exhaust Cutout_x000D_ _x000D_ Notice:_x000D_ Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering._x000D_ _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. PackageList: