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Can someone tell me whether I have a Bishoff or Gillet cat please?

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Old 10-17-2011, 09:43 PM
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abolfaz
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Default Can someone tell me whether I have a Bishoff or Gillet cat please?

As the title states, from these photos can anyone identify what type of cat this is? Bishoff or Gillet? Thanks in advance.
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Old 10-17-2011, 10:20 PM
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shadow993
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I'm going to say gillet.

993 Sport Catalytic Converter pipes/cross pipes are different for certain years. 1994-1996 1/2 993's and all 993 SUPERCUP cars (1994 to 1997 993CUP) have Bischof oval 3 bolt flanges. 1996+1998 993's are all Gillett round 3 bolt flanges. YOU MUST CORRECTLY specify flange type when Ordering. When in doubt go check especially the late 1995 and early 1996 cars as this was a “cross-over year” and flange style changed during the year.
Old 10-17-2011, 10:25 PM
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Ish993
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It has the name engraved right on the muffler near the serial #
Old 10-17-2011, 10:25 PM
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shadow993
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Pics of the gasket...

http://www.design911.co.uk/fu/prod16...s-Porsche-993/
Old 10-17-2011, 10:26 PM
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shadow993
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That is the cat.... Mufflers can interchange , so you cannot use that
Old 10-17-2011, 11:01 PM
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Martin S.
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Default Maybe this will help

From FVD: Take a look at the pic...mufflers are generic...cats and exhaust manifolds must match...correct me if I am off on this.

The brands name IS ON THE Cat
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Old 10-18-2011, 01:01 AM
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AOW162435
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Originally Posted by Martin S.
The brands name IS ON THE Cat.




Andreas
Old 10-18-2011, 10:04 AM
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abolfaz
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Thanks guys, the gasket pics saved me from having to crawl under the car.



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