cheers!
the dump valve is more for a bit of a laugh than anything else, not trying to be chav. and its not fake, it is properly plumbed into intercooler ducting. your the first person i have ever known who said its a bad idea! everyone else thinks its well funny to have a DV on this motor - keeps people guessing wondering what under the hood (the zorst blanks out most of the diesely sound, and on full throttle it sounds nothing like a diesel since i got it tuned up)