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Mgerrie147

10 April 2018 12:52 PM

Dump Valve 500bhp Impreza

What would be the best dump valve on a MD321T running 1.8/1.9 bar?

Do you get a rich overrun using a VTA? Can it be mapped out?

Matthew

trevsjwood

10 April 2018 01:33 PM

Turbosmart plum back recirc.

imprezagaz

10 April 2018 02:46 PM

Genuine hks on mine and no problems at the same boost

domino46

11 April 2018 08:20 AM

got the original recirc on mine

jazzyjembreaze

11 April 2018 09:39 AM

Oem if recirc/ forge if VTA , personal choice tho

alcazar

11 April 2018 09:45 AM

Got a Forge recirc on mine.
You can hear it through the induction kit.

trevsjwood

11 April 2018 09:51 AM

the problem with the oem valve is you can't be certain it isn't leaking and the more boost you run the chance of it doing so increases.
Trev

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