Here's my impression of a TDI with an electronic dump valve system:
nak nak nak NAK NAK NAKKKK! "PFFFFFT" nak nak nak.
Please don't bother.
Yeah it`s nearly as naff as having a NOS purge system set up on your car so it sprays from the front a Jason.
Have a look at the Derv doctors site. I think he does them, but you won't get any gain from one. Just a load of people looking at your car and wondering why a really nice motor has been chaved up with a pointless feature.
You could always fit neons though, innit?
Yeah it`s nearly as naff as having a NOS purge system set up on your car so it sprays from the front a Jason.