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Pipe size before and after cat

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Old 12-07-2012, 07:29 PM   #1
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Default Pipe size before and after cat

I was wondering what the size of the pipes are that go into cat and the size of the one that comes out and goes in second cat. (Y pipe type design) I'm going to cut it off and put a y pipe.
For a 95 f150 4.9
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Old 12-07-2012, 08:51 PM   #2
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y pipe to 1st cat is 2.5 im guessin but between 1st and 2nd cat is 3 inch
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Old 12-07-2012, 09:20 PM   #3
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Thanks I'm just going to cut them off then run it to the muffler pipe
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Old 12-08-2012, 10:17 PM   #4
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No standard size pipe will fit those areas. You will have to weld.
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Old 12-09-2012, 09:13 AM   #5
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Was probably going to mig it.
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