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

diameter of pipes after primaries

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Old Apr 14, 2004 | 09:28 PM
  #1  
Punkillr's Avatar
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From: Colorado
diameter of pipes after primaries

what is this? im ordering a cat and need to know what diameter to get.
Old Apr 14, 2004 | 09:35 PM
  #2  
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anyone? im talkin about the stock y-pipe
Old Apr 14, 2004 | 09:47 PM
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should be 3 inch
Old Apr 14, 2004 | 09:54 PM
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il go ****in measure that **** god dammit
Old Apr 14, 2004 | 09:59 PM
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.............. I FEEL YOUR PAIN..............
Old Apr 14, 2004 | 09:59 PM
  #6  
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im so ****in pissed i dont have 1 single flahlight in this house. can someone tell me the pipe diameter for the y-pipe and cataltyic converter so i can buy this dam cat and go to bed?
Old Apr 14, 2004 | 11:32 PM
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Stock y pipe is 2.5"
Old Apr 14, 2004 | 11:37 PM
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it would help to know what the cat is attatching to ON BOTH ENDS to give you a good answer.
Old Apr 15, 2004 | 04:40 PM
  #9  
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well i just wanna know is it 2.5 goin in and 2.5 goin out? thats what im thinking
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