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Carbon deposits in exhaust? #60677 Nov 16, 12:42pm Nov 16, 12:42pm
Joined: Aug 2003
Posts: 196
Fort Wayne, IN
Doppelganger OP
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2000 Toyota Celica GT
Doppelganger OP
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2000 Toyota Celica GT

Joined: Aug 2003
Posts: 196
Fort Wayne, IN
Carbon deposits in exhaust?
Is it normal for my exhaust to leave this much carbon deposits or soot, or whatever that black stuff is?

This is the silencer, which was originally all the silver color, after being installed for less than one month.

241496-celica 046.jpg
Re: Carbon deposits in exhaust? [Re: Doppelganger] #60678 Nov 16, 1:41pm Nov 16, 1:41pm
Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
Immo
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2000 Toyota Celica GT
Immo
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2000 Toyota Celica GT

Joined: Aug 2003
Posts: 566
Tilburg, The Netherlands
Is this the silencer from your Invidia exhaust?
It looks a lot different from mine.
Mine has little holes in the pipe and it's wrapped in steel wool (dunno how you call it).

Other than that, I don't think it's bad your silencer looks like that.

Is your 'droning' less with the silencer in?
How's your sound inside when you let go off the gas?

Re: Carbon deposits in exhaust? [Re: Immo] #60679 Nov 16, 6:56pm Nov 16, 6:56pm
Joined: Aug 2003
Posts: 196
Fort Wayne, IN
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Yeah, that's the silencer that came with my Invidia exhaust. Having it in makes a pretty big difference in the amount of "droning" I hear. When I let off the gas or if I'm just cruising, I hardly hear the exhaust. It still idles a little deeper and louder than stock, but it's mostly just when I accelerate that you can tell it's different than stock.

Without the silencer, letting up on the gas sometimes produces a "burbling" sound, but I don't notice that with the silencer in. For the most part, I like the sound with the silencer in, I just wish it was a tad louder at idle and during acceleration. I don't really like the looks of it though.

Re: Carbon deposits in exhaust? [Re: Doppelganger] #60680 Nov 16, 10:39pm Nov 16, 10:39pm
Joined: Nov 2002
Posts: 199
Belgium
C
CelicaTC
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2003 Toyota Celica GT
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Belgium
I think its normal. Unless you are driving on LPG.
Do you have cars that drive on LPG in America?

Re: Carbon deposits in exhaust? [Re: CelicaTC] #60681 Nov 17, 11:04am Nov 17, 11:04am
Joined: Aug 2003
Posts: 196
Fort Wayne, IN
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2000 Toyota Celica GT
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Originally Posted by CelicaTC
Do you have cars that drive on LPG in America?


I know there are a few (emphasis on few) vehicles in America that run on natural gas (methane). I don't know if there are any that run on LPG (propane/butane).

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