Blow off valvles... Good or bad???
I wanted to find out if a dump valve otherwise known as a blow off valve (BOV) make a difference to the power or performance of a scooby. Some say it does and others say it doesn't?
Please advise... I have a 95' Jap spec WRX
Thanks in advance
Please advise... I have a 95' Jap spec WRX
Thanks in advance
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