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Dump valves are fitted to cars with forced induction engines to help with reducing spool up times and to protect turbos.
When the throttle is closed (either when changing gear or letting off under hard acceleration), you will have excess boost in your charge pipes. This pressure has no where to go due to the throttle being closed and so travels back to your turbo. The effect this has is that it tries to spin the turbo the opposite way it is already spinning and essentially tries to stall it. Then when you're back on the throttle it takes longer to spin the turbo back up to the RPM needed to start creating boost again.
Fitting this dump valve just downstream of the throttle releases the excess boost pressure straight to the atmosphere when the throttle is closed, creating a 'ttsssshh" noise.
- Prolong the life of your turbo
- Reduces lag/spool time
- 25mm inlet
- Aluminum body - light weight
- And the reason most people have one - it sounds cool!
- Atmospheric type dump valve - vents straight to open air
Suitable for all turbo and supercharged vehicles.
Professional installation recommended. As this is a universal fit part, they're are no fitting instructions.
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