UNIVERSAL 25MM DUAL PORT SPLITTER BLOW OFF DUMP VALVE BOVMade from billet aluminum.Our 25mm Dual Port valves allows charge to be dumped the charge-air back into the air intake system to keep the onboard MAF happy ， and has been specifically designed for the many turbo engined applications that operate metered airflow management systems.Specifications:Material: Aluminum AlloyColor: BlackExternal Diameter: 25mmSize: As the pictures shownQuantity: Pack of 1Features:-Large Piston design for higher clamping load-Complete with vacuum nipples， short vacuum pipe， jubliee clips and preload washers-Recirculating Action - Quiet -All aluminum construction， Black anodisation- Boxed and Brand New -It replaces the standard valve which is prone to failure.Fitment:Fit all 25mm fitments( for Golf， Polo， Passat， Seat Leon， Ibiza， Cupra， Audi A3， S3， A4， TT ，Porsche Bi Turbo UnitsFiat Punto GT & Coupe，Renault 5 GT Turbo and so on)Notes:-Please check the size measurement chart carefully before making a payment.-Please allow 0.1-0.5cm difference due to manual measurement.-Please check carefully to make sure whether the item matches to your vehicle or not.-The color of the actual items may slightly different from the listing images due to different computer screen， thanks for your understanding.-Instruction is not included.Package included:1x 25mm dual dump valve2x 142mm flexible pipe 2X clips