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Exhausting question, clock is ticking for me

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Old 06-20-2007, 06:56 AM
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Default Exhausting question, clock is ticking for me

I have a car show friday to get to and the 55 chevy is at the
exhaust shop and they can't seem to find a flange to fit
the stock LS1 2002 Camaro exhaust manifolds down to an existing
system. About 12" of pipe but the flange doesn't match up to anything.
I would imagine that the Cat flange is what we are looing for?
I do not plan on running cats, and the computer has them
removed but am wondering
if there is a down tube or by pass tube available from someone
so I could get the right fitting flange??? HELP what to do
what to tell them.
Old 06-20-2007, 07:12 AM
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I ran into the same issue on mine...never found any solution. I ended up cutting the flange of the exit pipe...that went to the cats...and they welded a new pipe to it. It was really a PITA but its the only way I could make it work. And then I also had to go to GM and buy the 2 gaskets...cause they couldnt find any of those either.
Old 06-20-2007, 09:22 AM
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The shop guys said they would just make them and the
gaskets for me.
Wonder how much that will cost me, ahhhhhhhhh
Old 06-20-2007, 02:39 PM
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Im sure it will be a pretty penny.
Old 06-20-2007, 07:07 PM
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i made a template on 1/4 stell plate, cut it out and transfered holes with a 2.5 hole in middle for pipe.went to grainger supply and bought a 12"x12" sheet of copper sheet for like 20 bux and made gasket.
Old 06-20-2007, 08:52 PM
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There's some here. Look at offroad cat bypass pipes:

http://tbyrne.com/ls1/ls1exhaust.html

Don




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