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Old 08-15-2003, 01:20 PM   #1
jorgy23
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Join Date: Sep 2002
Chapter/Region: MAIC
Location: College Park, MD
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2011 STI 5-door
Midnite Black Metallic

Default Loud Turbo

And I mean LOUD!!!! Basically when I'm climbing hills or under hard acceleration when the turbo spools up it sounds like a diesel truck turbo.. it's that loud. Now I know this is not normal. I have no modifications to the intake. I had a K&N dropin but put stocker back and it's still very loud... Does anybody have any ideas...
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Old 08-15-2003, 02:14 PM   #2
Austin
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It's possible you've knocked out one or more of the grommets on the firewall, allowing increased engine noise into the cabin.
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Old 08-15-2003, 02:24 PM   #3
jorgy23
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No I don't think it could be that because my friend was following me in his car the other day and commented on how loud the turbo was... and its' really only loud when going up steep hills in fifth or heavy acceleration... other than that it sounds normal...
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Old 08-15-2003, 09:12 PM   #4
cavymeister
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91 Hunduh Civic BASE

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Do you have an exhaust on it?? A downpipe will make it a LOT louder...
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Old 08-16-2003, 01:30 AM   #5
jorgy23
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Ok... I guess I should have just looked under the hood... Long story short... I found out that the hose connected to the what I assume is the inlet pipe of the turbo was loose... "it's just below the intercooler and slightly in front of it.. if you reach down next to the throttle cable you can grab it..." I tightened up the damn hose clamp and Wallah no more turbo noise... I am totally cringing at the damage that might have been done by basically letting unfiltered air into the engine and turbo...
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