dump valve?

marksscooby

Petrolheads
hi i want to ask, what type of dump valve should i get?
i want one that has a loud sound. what bar boost can they handle?
i have a impreza v4 coupe :ponder:
 
As above. The HKS is what I'd recommend. They have a nice little chirp and flutter as opposed to a bland whoosh.

I have one and would not use anything else now.
 
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