Suitable for Volkswagen and Audi 1.8 20V turbo engines
This dump valve facilitates both the ventilation of the boost circuit and internal recirculation for the engine management of air flows. External ventilation facilitates a louder sound presence from the Dump Valve - the famous "pschitt""
Allows both the supercharger circuit venting and internal recirculation for engine airflow management. External venting allows the Dump Valve's famous "pschitt" sound to be heard more loudly. A plug is also supplied to prevent external venting.
Suitable for VAG 1.8 20V Turbo engines:
Audi A3 and S3 type 8L A4 type B5 and B6 A6 type C5 and C6 TT type 8N
Seat Ibiza type 6K and 6L Leon type 1M and 1P
Skoda Octavia type 1U and 1Z
Volkswagen Golf 4 and Bora New Beetle Passat 3B Polo 9N
Suitable for Volkswagen and Audi 1.8 20V Turbo engines Inlet / outlet diameter: 25mm (Single-piston version supplied with 2 compression springs) This Dump Valve is made of high-quality aluminum. It reduces acceleration response time and maintains a reliable boost pressure, so that no residual pressure remains in the boost circuit and no violent air flows back to the turbo. This Dump Valve with air recirculation (closed circuit) keeps external noise to a minimum.