Ok so it is sort of hard to explain but there is sort of a squeel/air sound that is coming from somehwere in my engine bay.
It only happens when my foot is just less than half throttle or at about 5hg on my vaccume gauge. it is annoying because it is fairly loud and it happens at pretty much the throttle point your foot is at for everyday driving.
doesn't matter how fast u are going either, as long as my foot is somewhere around half throttle it make that squeeling sound. (sort of sounds like a real dodgy turbo) and no i am not turbo.
I have changed air filters and no effect, i have disconnected my whole intake system and re-connected it and no change, i had my throttlebody cleaned and no change...
It has been doing it for ages now and am pretty sure it started to make the noise when i got my 5zigen headers put on. I have had the exhaust changed a few times to and still it is there.
I am sure it wasn't therte for the first year i owned the car.
Does anyone else have this noise or am i the only one, WAT IS IT!!
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