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Old 06-04-2010, 05:21 AM   #1
Flyin_Hayn
Scooby Specialist
 
Member#: 175031
Join Date: Mar 2008
Chapter/Region: NWIC
Location: Sauce Town, OR
Vehicle:
2005 PSM STi
Stage2 303awhp / 331awtq

Default Weird Moaning noise coming from my front right axle area...?

so when im in gear (doesnt matter what gear, actually noise is more prevelant in 3rd and 4th) and take the RPMs up to about 3200 then let off and let the RPMs drop there seems to be a slight moaning noise from about 3100rpm to 2900 rpm than its gone. i dont hear it when i accelerate past this rpm range but can hear it a little when i hold the rpms at about 3100rpm no accel no decel..

any help would be great.
it seems the noise is more prevelant near the front right axle/cv-boot area.

but at the same time i wonder if its just the sound of my exhaust as the engine drops in rpm? but i cant hear it while the car is not moving and just reving the engine around that RPM range. not to mention i only have 2k on my 2.5l hybrid.

i do have 102,000 on my tranny..

Does this noise sound farmiliar to anything or anyone?

i just threw on my much quieter exhaust, which is pretty similar to noise level as the borla hush which is part of the reason why i am hearing this noise now.

3"custom DP (non belmouth but centered on the exhaust housing instead of lined to the left like the magnaflow DP) with resonator to a "3 Catback with a resonator and a box shaped axleback (not the patato shooter)

All help would be great! no noise from tranny while accelerating, smooth shifting.
once again, only time this noise is heard is while RPMs drop from 3100 to 2900 in all gears..

Thanks,
Chris
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Old 06-04-2010, 06:21 PM   #2
aaron04
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Member#: 146569
Join Date: Apr 2007
Chapter/Region: NWIC
Location: Vancouver, WA
Vehicle:
2009 A4

Default

Did you run over a hooker?

It's probably some form of vibration, check the downpipe and exhaust for anything that it could vibrate against. Or an exhaust leak
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Old 06-05-2010, 02:50 PM   #3
Flyin_Hayn
Scooby Specialist
 
Member#: 175031
Join Date: Mar 2008
Chapter/Region: NWIC
Location: Sauce Town, OR
Vehicle:
2005 PSM STi
Stage2 303awhp / 331awtq

Default

Its my skid plate. my equal length headers are sorta bunched up near the right axle area and they rub the plate...
gonna throw some spacer between em
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