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Discussion Starter · #1 ·
hi my car is making sound like its got a dump valve fitted from the airfilters it seems to happen more at lower revs at about 0.5 bar at high revs and full boost it doesent seem to happen.

my car has the standard recirculating dump valve is this normal or is recirculating valve shagged?
 

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sounds normal to me. its because the recirc pipe dumps back into the pipe work leading to the turbos, so if you have filters on youll be able to hear it dumping.
 
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