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are power boost valves any good do you think they improve throttle response/ no more flat spots. Are they safe for the engine and how much should I pay/where from and what about fitting.
I put one on a 4th gen JDM prelude...didnt make the slightest bit of difference.
I reckon you'd only really consider it if you were having a remap with a load of other mods perhaps?
I got one of these years ago, HSE power boost valve I think it was called. I think they had just come out, I fitted it on my Nova GTE, cost about £85. What a waste of money lol
