Dump valve 25 mm – open/recirculating, black anodized
25mm
Article number: 237-B113
Dump valve 25 mm, convertible between open and recirculating. Black anodized aluminum, brass piston with O-ring, for 0.4–1.6 bar. Mounting kit and vacuum hoses included. Fits Audi, SAAB, VW, among others.
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Expected back in stock 2026-02-12
Get faster response between shifts and protect the turbo. This convertible dump valve can be run both open (vent to atmosphere) or recirculating back to the intake. When you release the throttle, the excess pressure is relieved immediately, reducing the load on the turbo and keeping the charging system alert.
Advantages
- Two in one: easily switch between open and recirculating
- Fast pressure relief – better response between shifts
- Adjustment screw/rotatable body for setting spring tension
- Lightweight and durable: black anodized aluminum body
- Reliable seal: brass piston with O-ring
Specifications
- Dump port connection: 25 mm
- Vacuum connection: 7 mm
- Recommended boost pressure: 0.4–1.6 bar
- Height: 80 mm
- Material/finish: Aluminum, black anodized
- Piston: Brass, O-ring sealed
Fits & included
- Fit: bolt-on to several models, including Audi, SAAB, Volkswagen (check connections)
- Included: mounting kit and 4 mm and 5 mm vacuum hoses
A smart upgrade for turbocharged cars that want to combine performance, flexibility, and reliability.


