Just like the heading says what would be a suitable blow off valve for use with a series 4 high flow turbo with a t04 compressor wheel running about 15psi?Im not looking for anything fancy as i think bovs are overpriced for no reason. In other words i dont care how good it sounds i just want one that will do the job properly. I wanted to put in a type 1 bov or equivalent although my friend says that wont be enough whats ur opinion?

 

if you only plan to run 15 psi, u can get away with say the greddy type S, im sure you can find it pretty cheap online. If you plan on running higher boost possibly go with the greddy type R.

 

Tial, HKS, GReddy, they should all work just fine.