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Thread: Crazy "cold" exhaust tone...
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07-07-2010, 03:24 PM #1
Crazy "cold" exhaust tone...
I initially wondered if it was the fuel pump, but it's definately coming from the exhaust...
I present to you, my alien spaceship exhaust tone... WHAT is causing this? vibration frequencies??
[ame]http://www.youtube.com/watch?v=9xPN7-xU1Ng[/ame]
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07-07-2010, 03:41 PM #2
Dam that's weird. I don't know what it is hopefully somebody does...
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07-07-2010, 04:23 PM #3
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Black- 2000 WS6 6spd Hooker LT
Oh My God, it's the alien space ship sounds from "The Day the Earth Stood Still!" Run for cover everyone, we are doomed.
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07-07-2010, 04:42 PM #4
i dont know dude but seriously that is pretty cool...if i heard you pull up to me sounding like that not sure i want to take you on...probably got one of those warp generators....heard they kill top end!
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07-07-2010, 04:50 PM #5
[ame]http://www.youtube.com/watch?v=HAPky6F3ByU[/ame]
Heard someones muffler who did this but only after it revved-it was a broken baffle in the muffler.
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07-08-2010, 03:35 AM #6
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White/Red Stripes- 1994 Firebird Formula
It sounds like it stopped as soon as you closed your door as well. Well, sounds like it time to get rid of that overrated Flowmaster and go with a loudmouth!
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07-08-2010, 04:41 AM #7
When does it do it? Cold? Hot?
What mods?
Info, info and more info!?
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07-08-2010, 07:23 AM #8
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blacker than wesleysnipes- 98' trans am
id guess a muffler issue..something is loose...........
oops i see c5z28 already said that ^ what he said
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07-08-2010, 12:58 PM #9
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07-08-2010, 12:59 PM #10
all stock... and only on first cold startup... goes away within a minute or two after driving... yeah I noticed the frequencies changing and then when I closed the door, poof gone... will experiment later by banging doors again... LOL
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07-08-2010, 01:02 PM #11
More than likely a hole in the exhaust somewhere and as it warms up the hole closes.
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07-08-2010, 02:46 PM #12
Mileage on the car?
Stock muffler?
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07-08-2010, 02:48 PM #13
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07-08-2010, 04:10 PM #14
I would not rule out a pin hole somewhere but it sounds mechanical. I didnt hear you shut your door but it did change after you hit the gas. To me that seems like it was going into closed loop idle. Which means my $ is on the air pump/smog system.
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07-08-2010, 07:58 PM #15
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Black- 2002 SS Camaro
I have this same issue in my car it freaks me out
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07-09-2010, 02:19 AM #16
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07-09-2010, 06:08 AM #17
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07-09-2010, 06:36 AM #18
2018 Tahoe - Silver - OEM
2008 Z06 - Velocity Yellow - BBE exhuast - Airaid CAI **sold**
2002 Z06 - Electron Blue Metallic - D1 - E85 - 701 rwhp 687 rwtq **sold**
2002 Z28: M6 NBM - cam and boltons - 396rwhp 357 rwtq **sold**
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07-09-2010, 10:45 AM #19
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Black- 2002 SS Camaro
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07-09-2010, 11:02 AM #20
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