Welcome to our store! 100% brand new and high quality! Application: All 25mm fitments that includes: For Golf, For Polo, For Passat, For Seat Leon, For Ibiza, For Cupra, For Audi A3, S3, A4, TT ,For Porsche Bi Turbo Units Fiat Punto GT & Coupe,Renault 5 GT Turbo and so on. It can fit many other vehicles,not only shown above. Features and Benefits: 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. The valve can vent to atmosphere or recirculate or both. Our item all 100% test before leave the factory, they must be passed by quality examination. Dimensions& Material: Material: High Quality Aluminum Alloy. Product net weight:205g/0.452lbs. Dimension: 25.0mm/1'' of Port. 34.8mm/1.35'' of Horn. Colour: Black Package included: 1x 25mm Dual Dump Valve; 2x Flexible Pipe; 2x Nipples; 2x Clips. (100% Brand New Never Used Or Installed)