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01-23-2013, 12:04 PM | #1 |
Scooby Newbie
Member#: 283924
Join Date: May 2011
Chapter/Region:
SCIC
Location: Anacrime
Vehicle:2007 Impreza 2.5I cgm |
07 sti exhaust on my 2.5i weird noise
Hey guys I have an 07 2.5i and I just put a 07 sti axel back on. It sounds good. Exudes around 1500 rpm it gets this really high pitch exhaust note to it and then dies off a couple hundred rpms later. I have heard of other people having this problem. Do you think it is from the piping size difference? Or what do you think it is from? I could take my old stock axel back piping and weld it on the the sti muffler do you think that would help the problem out? Thanks and I look forward to hearing your guys thought!
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01-23-2013, 07:55 PM | #2 |
Scooby Newbie
Member#: 283924
Join Date: May 2011
Chapter/Region:
SCIC
Location: Anacrime
Vehicle:2007 Impreza 2.5I cgm |
Anyone have a thought on it?
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01-23-2013, 10:53 PM | #3 |
Scooby Newbie
Member#: 299546
Join Date: Oct 2011
Chapter/Region:
NESIC
Location: Auburn Ma
Vehicle:2006 2.5i Impreza Wg Black |
I have a 3" axleback to my stock mid pipe and no strange noises, i dont think* its a piping issue.
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01-24-2013, 02:09 AM | #4 |
Scooby Newbie
Member#: 283924
Join Date: May 2011
Chapter/Region:
SCIC
Location: Anacrime
Vehicle:2007 Impreza 2.5I cgm |
You have any idea what it could be? It's only loud before 1500 and then not loud at all...
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01-25-2013, 01:59 AM | #5 |
moon moon
Moderator Member#: 86213
Join Date: May 2005
Chapter/Region:
NWIC
Location: Wild wild Northwest
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Did you replace the gasket? Sounds like it might be an exhaust leak.
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01-25-2013, 02:04 AM | #6 |
Scooby Newbie
Member#: 283924
Join Date: May 2011
Chapter/Region:
SCIC
Location: Anacrime
Vehicle:2007 Impreza 2.5I cgm |
No but I reused the old one and it looked to be in good condition, and I made sure to tighten it extra tight cuz I didn't put a new seal in
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