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Old 11-11-2005, 03:48 PM   #1
Teedub's STI
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Subaru Stars Loud howling noise @ 120

I have an 06 STI and I get a loud howling noise from 120 to 130 and it goes away at 140. Anyone else have a similar issue? Have an idea what it is? Let me know. Thanks TW
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Old 11-11-2005, 03:53 PM   #2
U
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Your flux capacitor is broken...
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Old 11-11-2005, 03:54 PM   #3
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It's the mirrors.
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Old 11-11-2005, 03:57 PM   #4
dantastic
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Quote:
Originally Posted by waktasz
It's the mirrors.
We're talking KPH here right?
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Old 11-11-2005, 04:00 PM   #5
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Actually MPH.
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Old 11-11-2005, 04:01 PM   #6
powerlabs
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Watch as 50 **** will jump on top of you now for saying you drove 140mph... Its one of my favorite things about this site... That and how if anyone ever crashes, no matter how or why, its because of the tires...

But I digress... To answer your question; there are two known causes of noise at high speed in the WRX: One is a label in your side mirrors. Fold the mirrors back and peel the label off. Another one is air rushing over your horn. Not much you can do about that besides relocating the horn.
Either way, its not a german car; it'll be loud at high speeds no matter what. On my car the engine noise at 140 is all you can hear.
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Old 11-11-2005, 04:04 PM   #7
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I tried folding the mirrors in and it still made the noise. Have you done anything to successfully eliminate the noise. It's going to drive me nuts on the front straight.
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Old 11-11-2005, 04:08 PM   #8
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Try the horn thing and see if that helps. I haven't torn into the front of an 06 (yet), but given the larger grill space I wouldn't be surprised if more air got the horns.

I know at those speeds you're concentrating on the driving, but can you perhaps try and isolate if the noise is coming from the front, rear or sides?

Now, in regards to the people who are going to jump all over him for going this fast - please notice that he said "...on the front straight." I believe the assumption can be made that he's talking about the track.
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Old 11-11-2005, 04:11 PM   #9
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Quote:
Originally Posted by powerlabs
On my car the engine noise at 140 is all you can hear.
That's interesting, @ 140 in my car all that can be heard is the wind noise.
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Old 11-11-2005, 04:18 PM   #10
Teedub's STI
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Thanks a lot. I'll give the horn a shot. The noise is definitely coming from the front end.
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Old 11-11-2005, 04:23 PM   #11
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maybe its the sound of the air flowing through the aero dynamics of the car? i mean 120mph is alot of force.
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Old 11-11-2005, 04:25 PM   #12
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I thought it could possibly be the front scoop.
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Old 11-11-2005, 04:33 PM   #13
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It's the passenger. Tell her that if she can't handle it to stay home next time.
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Old 11-11-2005, 04:44 PM   #14
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Quote:
Originally Posted by UltimateLurker
That's interesting, @ 140 in my car all that can be heard is the wind noise.
Loud catless 3" exhaust + hardened engine, transmission, differential, exhaust hangers, shifter and pitch stop mounts... I get a lot of road noise and wind noise too, but the mounts transfer engine vibration right into the cabin on my car. Its so bad that if the engine is reving past 5000RPM or so images on my rear view mirror blur...
As a tradeoff, I get much better responsiveness...
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Old 11-11-2005, 04:48 PM   #15
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Do a search, this topic has been brought up on numerous occasions. The general concensus is that it's the wind moving past the mirrors at high speeds. I hear it from my 02' wagon at around 125mph+. I like to think it's the car howling with joy at moving that fast. However, I could be wrong.

Last edited by El Supremo; 11-19-2005 at 08:29 PM.
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Old 11-11-2005, 05:06 PM   #16
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Hey its like deja vu. I just asked the same thing last week. My vote is the upper rear spoiler. But the johnson rod could be bent where it goes into the canooter valve right under the flux capacitor.
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Old 11-11-2005, 05:07 PM   #17
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Just to be clear with everyone, it's very loud. Am I hearing what everyone else is? The helmet doesn't muffle the noise.

Thanks for the search tip, I tried that before this post. Someone posted he had been over 100 and it turned into some 500 post debate on high speed driving on the street and no answers.
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Old 11-11-2005, 05:08 PM   #18
dogfrndnew
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Police Sirens?
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Old 11-11-2005, 05:11 PM   #19
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It's definitely in the front of the car. After I work on the flux capacitor, I'll change the muffler bearings.
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Old 11-11-2005, 05:32 PM   #20
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Quote:
Originally Posted by jlp7t
It's the passenger. Tell her/him that if she can't handle it to stay home next time.
Fixed it for you. It's not only the "girls" that start screaming.

And, just so I play both sides fairly, it could be her male passenger that is screaming.
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Old 11-11-2005, 05:32 PM   #21
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It's the passenger window. There is a vacuum at that speed. Roll down your window next time and it will go away.
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Old 11-11-2005, 05:36 PM   #22
FASTLEG
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Yeah I hear a loud howling noise like that. But it's not usually noticable until 145ish MPH
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Old 11-11-2005, 07:09 PM   #23
seattle944t
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Quote:
Originally Posted by wrxpunk53
It's the passenger window. There is a vacuum at that speed. Roll down your window next time and it will go away.
Sounds plausable - the track day organizations I have been with all require windows to be down, and I have never noticed this noise before.
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Old 11-11-2005, 07:16 PM   #24
meatball18
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its definatly the exhaust belt....... just spray some belt dressing on it and your good to go.
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Old 11-11-2005, 08:03 PM   #25
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I've heard that muffler bearings can do the same thing .
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