how do i fit a dump valve?????

[1.8GSturbo]

i have a recirculation valve on my car i just brought a boost controller and gauge and ive ben told to fit a dump valve do i need one with a recirculation valve???

 

[Stru8n]

depends if you want a whoosh noise or not, recirc valves dont make a noise where as vta (vent to atmosphere) do is up to you but you will need a twin piston one or your car wont run right

 

[1.8GSturbo]

fitted the induction kit and boost valve and found im getting a subtle woosh from the induction now sounds good!!