Pigman149

iTrader: (1)

should i hear much air noise under acceleration i have a standard boost solenoid and a k&n cone filter,standard recirc valve.

the shreksta

iTrader: (20)

im guessing your hearing the standard dump valve through the induction kit-like a whooshing sound which changes when you let off the gas?

Pigman149

iTrader: (1)

its a constant whooshing sound under acceleration then the noise of the dump vale dumping if that makes sense

Steve's Sti

iTrader: (2)

Itll be the filter possibly surge if its not mapped right

Pigman149

iTrader: (1)

what do you mean by surge.

Fudgey

iTrader: (1)

Have you only just fitted the k&n and now getting the noise?

Look for 'turbo chatter' on youtube and listen to the noise, if its making that kind of sound then it basically means the turbo is passing more air than the engine can consume.
So the excess pressurised air is going back through the turbo causing compressor stall (the chatter sound)

If its only just started doing it because you have fitted the filter its probably just induction noise.

If the filter has been on there a while and its just started making the noise it could be a sign of a worn turbo.
The compressor blades starting to rub on the compressor housing.
If its the latter it will soon start to make a screeching sound.

Pigman149

iTrader: (1)

Only had the car 3 months and the filter has been on since I got it,I was just wondering if it's normal with my set up. I will check out the chatter on you tube

Pigman149

iTrader: (1)

It's not chatter,I think it's the sound of excess pressure being bled away from the waste gate,but didn't think I would hear that much with standard boost solenoid.