Recirculation Dump valve for CITROEN DS3 1.6 THP / Racing
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FORGE recirculation Dump valve for CITROEN DS3 1.6 THP / Racing.
Dump valve (intercooler mount).

What is a dump valve for and how does it work?
The dump valve or "blow-off valve" is a component used to control over-fuelling.
When your turbo is turning at high speed and boosting the fuel supply, it cannot stop or even slow down very quickly because the intake system is still full of pressurised air.
Since the pressure has nowhere to go, the only path available is to try and flow back the way it came, turning the wheel in the opposite direction, which causes a pressure surge that can harm the compressor.
The dump valve is fitted to the inlet pipe and contains a spring diaphragm or a piston which moves up when it detects an increase in pressure.
As soon as air is released within a matter of seconds, you will have made your gear change and the boost takes over again, pretty much without interruption!

Ref.: 442FMDVDS3R

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This product is suitable for the following vehicles:

CITROENDS31.6 THP 16V (156CV)04/2010 -
CITROENDS3R (202CV)2011 -
More Information
Universe Competition, Track days
Color Not specified
Oreca Reference 442FMDVDS3R
Manufacturer's reference FMDVDS3R
Vehicle categories 1195, 1196