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Liam O's Avatar
 
Join Date: Oct 2008
Location: Glasgow,Scotland
Posts: 263
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Cat Bypass

Hi,

Im currently running a cat bypass ,with a 1 in 1 out dansk sport muffler.
This is the set up, which was on the car when I got it and it does have a great sound.
I do feel though that it is a touch loud and wondered, if any one has had this set up, then opted for a pre muffler against the bypass.
Im kinda thinking ,this will calm it down a bit and would like to hear from anyone who could comment on this, before I take the plunge.

Thanks in advance

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1984 3.2 cab india red
1970 1192 Volkswagen Beetle
Old 03-02-2010, 10:02 AM
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Join Date: Mar 2006
Location: Jacksonville, Florida
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I replaced my Cat Bypass with an M&K pre muffler and it was a big difference. It was still loud but noticeably quieter. It was just not as raw as raspy.
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David

2015 Audi S3
1988 Carrera Coupe (gone and miss her)
Old 03-02-2010, 12:37 PM
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Liam O's Avatar
 
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Dave,

Thats exactly what I was hoping to here. thats sealed it for me, I better get it done then.
As I said ,like the sound but just to aggressive for me. thanks
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1984 3.2 cab india red
1970 1192 Volkswagen Beetle
Old 03-02-2010, 01:22 PM
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scotricker's Avatar
 
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I was thinking of going the other direction, and doing some home-made modification to the cat to create my own "free" by-pass pipe.

Will it be too loud? I have just the stock muffler. I am not looking to be louder, but maybe if it ran a little better, that would be good. Will this help?
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Scot
78 911SC coupe, sold,, 2019 Macan S
"my friends all drive Porsches, I must make amends.."
Old 03-02-2010, 02:15 PM
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could be an option to open it up and gut it then seal it up again.

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1984 3.2 cab india red
1970 1192 Volkswagen Beetle
Old 03-02-2010, 02:32 PM
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