LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Best place to put cut out??

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Old 05-06-2004, 07:52 PM
  #16  
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ya, most aftermarket y-pipes for headers are two pipes right up until they go into the cat. Unless you get two cutouts on eact pipe. Save the trouble, if it only comes off at the track, fabricat an offroad pipe to put in place of the cat with the cut out in the pipe, then jsut unbolt the cat and put this pipe in place of it, you should have enough space to do this.
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Old 05-07-2004, 06:18 AM
  #17  
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Originally posted by 19camaro71
ya, most aftermarket y-pipes for headers are two pipes right up until they go into the cat. Unless you get two cutouts on eact pipe. Save the trouble, if it only comes off at the track, fabricat an offroad pipe to put in place of the cat with the cut out in the pipe, then jsut unbolt the cat and put this pipe in place of it, you should have enough space to do this.
...Um...Kinda exactly what I did

Frank
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Old 05-07-2004, 06:36 AM
  #18  
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Originally posted by Cmr0z28
Assuming he's not getting long tubes, with any other headers/y-pipe combo, there wouldn't be enough room to put a cutout before the cat without pushing the cat back further which is illegal.

Um... Any LT set up is most likely illegal, since you will have to change the position of the cat in all cases, and in the 93 ~ 95 Case you would have to change the # of Cats, which is illegal too.

I would check the local laws in your area, but these seem to be the standard stuff I see people in Emissions testing areas dealing with.

Thank God I live in AR, and they don't do inspections
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