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Johann
Joined: 07 Aug 2016 Posts: 240 Location: Netherlands
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Posted: Sun Dec 11, 2016 7:39 am Post subject: Which rear silencer do you run? |
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I am looking for a replacement rear silencer for my 931. In PET I see three different part numbers
931 111 050 05 - this could be a sport silencer
931 111 050 06 - this seems like the standard silencer
931 111 050 05 - this is the Carrera GT silencer
Surprisingly you can actually order these again from Porsche. However I know there are many after market variants available. I have seen the Dansk pipes and I don't like them. The round hole in the oval trim piece looks cheap and I would like to use the factory mounting points which is a problem when buying most other alternatives.
I would appreciate your experience and advice on this subject. |
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Cedric
Joined: 27 Aug 2004 Posts: 2600 Location: Sweden
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Posted: Sun Dec 11, 2016 4:08 pm Post subject: |
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Prices must be insane on the oem stuff? According to the cgt manual the silencer is shorter and lighter. The whole exhaust system use fewer hangup points as well.
I actually drove a stock 931 with complete factory CGT exhaust, it was very quiet and refined. Almost to quiet. _________________ 1980 924 Turbo
www.instagram.com/garagecedric/ |
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Carrera RSR
Joined: 08 Jan 2010 Posts: 2309 Location: Somerset, UK
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Posted: Sun Dec 11, 2016 6:44 pm Post subject: |
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Find a custom stainless exhaust company and get them to make one specifically for your car. There's many of these companies in U.K. Assume you have a few too. You can get them to build exact replica or modify it. Can also tune the sound and put the tailpipes on to your liking.
Avoid Dansk. They fail too easily.
I would suspect it's hard to get a genuine exhaust these days _________________ 1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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Johann
Joined: 07 Aug 2016 Posts: 240 Location: Netherlands
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Posted: Sun Dec 11, 2016 7:29 pm Post subject: |
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Thanks, I have dropped a couple of emails to local custom fabricators. I have given them the specs you mentioned in the intercooler thread. I will also be removing my primary silencer. I suspect it is rotten on the inside anyway since it is resonating.
But I also spoke with my parts guys at the local Porsche Dealership.
The newly manufacture original rear silencers are between €300 and €950, with the 931 being the most expensive and the 944 the cheapest. What I cannot figure out is the difference between these silencers.
Most sites states that 924 and 944 have the same silencers. I know the mounting points on the 931 is different to a 951, but I think the silencer itself is the same? |
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Carrera RSR
Joined: 08 Jan 2010 Posts: 2309 Location: Somerset, UK
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Posted: Sun Dec 11, 2016 10:20 pm Post subject: |
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924 and 944 turbo have a 4 bolt flange between front and rear sections and are interchangeable. 924S and 944 have a 3 bolt flange and don't work with turbos. _________________ 1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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Fasteddie313
Joined: 29 Sep 2013 Posts: 2596 Location: MI
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Johann
Joined: 07 Aug 2016 Posts: 240 Location: Netherlands
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Posted: Tue Dec 13, 2016 6:27 am Post subject: |
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Haha, it does sound quite cool, but a little too noisy for my taste |
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Carrera RSR
Joined: 08 Jan 2010 Posts: 2309 Location: Somerset, UK
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Posted: Tue Dec 13, 2016 8:49 am Post subject: |
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Johann wrote: | Haha, it does sound quite cool, but a little too noisy for my taste |
I ran a straight pipe for minute. Sounded like a tractor under 2000rpm. Once the turbo is spooling it sounded great. But just coulded stand the tractor noise. Fitted one small silencer. Now it's spot one _________________ 1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252 |
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kcoyle
Joined: 15 Jan 2011 Posts: 712 Location: Long Island, NY
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