1、The premium quality is constructed from superior ABS and aluminum alloy, extensively universal replacement for various kinds of brands and models to better meet your demands, bring you more convenience. 2、High Performance: According to the turbine outlet pressure to determine the level of pressure, the solenoid coil will be energized or power off control after the pressure exceeds the critical value, then opening or closing the pressure relief valve. 3、Engine Protection: When the pressure relief valve is closed to ensure that the intake pipe has sufficient intake pressure as the basis, when the valve opens to excess gas can be discharged into the atmosphere, reducing the inlet pressure, protect the engine intake pipe. 4、Pressure Relief: By adjusting the position of the heating sink, the pressure relief sound is produced by different frequency when the pressure relief gas hits the heating sink at high speed, and remove the pipeline from the intake of compressed air compressor after the excess pressure. 5、Recirculation: You will get all the noise of the blow off valve while retaining the compatibility with the recirculation requirements of the engine management system. 6、Adjustable: The high quality Splitter valve is also adjustable to suit your engine and if you ever require a stealth approach, it can be converted to be totally recirculating. Item Type: Blow Off Valve Material: ABS + Aluminum Alloy Base Inner Diameter: Approx. 40mm/1.6in Base Length: Approx. 65mm/2.6in Application: Universal 1 x Blow Off Valve 1 x Blue Rubber Tube 1 x Transfer Interface 1 x Accessory Package (11pcs)