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Double Piston Dump Valve 33mm
Product Code: DPDV33
For: Subaru Impreza WRX 2001 on
£88.13 inc VAT
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Double Piston Dump Valve - 33mm Universal Fitment for Petrol Turbo cars
Range of colours
On a turbocharged vehicle, when backing
off the throttle, excess boost pressure can cause the turbocharger to
slow down or even stall. The benefit of using a dump valve is that the
excess pressure is either vented to the atmosphere or released back
into the intake system, allowing the impellers of the turbo to keep
spinning freely.
This extends the
working life of the turbocharger and can give quicker response between
gear changes. We make dump valves for fitment onto cars where there
isn't already one as standard or for those cars where the OE
re-circulating valve is being replaced for a heavier duty atmospheric
type (the noisy type!).
Our dump valves
are of a twin piston design so that they can be used on the majority of
turbo applications where the car has a MAF sensor, MAP sensor, carb or
mechanical fuel injection. Dump valves have also become increasingly
popular because of the sound element involved.
On Subaru's, you need to check which type of valve you have as an original part. There is a choice of 4 parts! 20mm , 33mm , Diamond Flange, or Triangle Flange . Please check your car before ordering. The flanged ones are very east to spot, they are on the front face of the intercooler, the 20mm is in the left hand side of the engine bay and the 33mm is on the right hand side.
If you have difficulty, please contact us and we will try to help our best.
When you are replacing a standard recirculating dump valve for an
atmospheric type, you will need a bung to block up the pipe going back
to the intake system - you can find them here
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