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Pipe size for Catalytic Converter 99

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Old Jul 10, 2009 | 05:08 PM
  #1  
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Default Pipe size for Catalytic Converter 99

I have a 1999 blazed 4WD - I need to know what size Catalytic Converter inlet /outlet pipe it is .
2 1/4
or
2 1/2

Anyone know ? I want to buy a universal but I cant unless I know the size.
 

Last edited by wtony; Jul 10, 2009 at 05:53 PM.
Old Jul 10, 2009 | 07:36 PM
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2.5" in and out.
 
Old Jul 10, 2009 | 08:00 PM
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Thanks, are you 100% on that ? The guy at NAPA said: "well im not sure but i see it takes a 2 1/2 inch clamp so it must be a 2 1/4" which made no sense to me , so thats why I ask ...
 

Last edited by wtony; Jul 10, 2009 at 08:33 PM.
Old Aug 25, 2009 | 04:00 PM
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is this the same for an 03 ls 4x4?? and which o2 setup would i need or would i just need to cut before the rear o2 bung and leave it in
 
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