hig pitched squeak @ high acceleration. HELP!

[Aerophyre]

I have an 02' X (of the WR variety) with 22.5k. during hard acceleration (and I mean very hard, as in flooring it) around 4k rpms I hear a high pitch squeal (no its not the tires ). I thought it was the belts but I tightened them up today and it still does it. I may not have tightened them enough but im afraid to overdo it. Anyone here have a simmilar problem or know what the problem is? Thanks.

[SERacing]

Up pipe leak...have you touched it at all? I have the same thing but my leak goes away after about 20 minutes of hard driving.

[Aerophyre]

No ive never messed with my uppipe or any part of my exhaust. How can I fix that? I should probably note that it doesnt do it in neutral. I have to be moving.

[rexxer]

I don't mean to be insulting, but could it just be the turbo you are hearing as it spooling faster at higher boost levels?

Also, have you checked your belts for wear?

[SERacing]

It has to be something to do with boost if it doesn't happen in neutral...I would bring it to a shop or try that soap trick to see if someone can find the leak...I would put money on that its a small up pipe leak and the worst thing that may happen is you might have to replace a gasket...pia.

[20wrx02]

i had this same problem -- when i raced around the same rmp range as u 4000 + a loud hiss pitch squeek

its the uppipe, leaking

i replaced them with a thicker gasket from subydude.com

Awsome gaskets

[rexxer]

I'll second that about the Subydude gaskets!