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Registered
Join Date: Apr 2004
Location: Westchester County NY
Posts: 475
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Pre Muff vs. gutted cat
Hi all, Is there a big difference from a performance point of view? I have an extra gutted cat and did not want to spend the extra for a pre muff unless there was a substantial gain in power, Thanks
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01-23-2006, 04:38 PM
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Join Date: Mar 2004
Location: US
Posts: 1,621
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No substantial gains to be had by using a pre-muff instead of a gutted cat. Stick w/ the gutted cat and put your money elsewhere.
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01-23-2006, 05:10 PM
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Join Date: Apr 2004
Location: Westchester County NY
Posts: 475
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Thanks for the reply, I was hoping that was the case, Johnny O
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01-23-2006, 05:27 PM
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klauke, do you have any proof to back this up? I asked this question a couple of months ago and was told the opposite (premuff was better) but I haven't bought one yet and still have a gutted cat lying around...
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08 Porsche Cayman (base) <- My hands are too big to need to compensate with an S 86 911 Coupe <- WOOT <- sadly gone since late 2014 |
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01-24-2006, 09:19 AM
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Join Date: Jan 2004
Location: Richmond,Va
Posts: 916
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a gutted cat will be significantly better than a half melted cat. Easy to gut. slight chance for some minor exhuast turbulence but, if anyone says it make a difference I would like to see dyno proof. premuff is nothing special. get a test pipe for $100 new or gut the cat.
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Harold 
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01-24-2006, 10:26 AM
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Bye, Bye.
Join Date: Apr 2003
Location: Planet Earth
Posts: 6,167
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I believe this question has been asked and answered many times over. I think it is best to do a search and see what others have said. I believe there is a different answer for an SC vs. a Carrera, so you may also want to list what model you have.
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Elvis has left the building. |
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01-24-2006, 11:57 AM
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