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Unread 03-22-2010, 08:47 PM   #1
skidawgz
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1994 YJ Wrangler 
 
Join Date: Oct 2008
Location: NJ
Posts: 49
YJ 4.0L exhaust pipe size

I need to order a new cat and after some searching I figured I'd save time.
Is the piping 2.25" or 2.5"?
4.0L

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Unread 03-22-2010, 08:58 PM   #2
jgillespie
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1991 YJ Wrangler 
 
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Location: Dalton, Georgia
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IIRC it's 2.5
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'91 YJ 4.0 3/4'' Brandon Booms 31/10.50 BFG AT Herc'd CJ dash/tailgate CJ5 seats 4KCs cracked windshield
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Originally posted by Crazyquadder:
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a 6 foot puddle is approx half way up my doors
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Unread 03-22-2010, 09:12 PM   #3
Tshark299
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1987 YJ Wrangler 
 
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it's 2.25", I just replaced everything from the manifold back
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Unread 03-22-2010, 09:27 PM   #4
skidawgz
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thanks, do we have a tie breaker vote ha ha
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Unread 03-22-2010, 09:30 PM   #5
stone
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1993 YJ Wrangler 
 
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Mine is 2.25
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Unread 03-22-2010, 09:44 PM   #6
jeepwyj94
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1994 YJ Wrangler 
 
Join Date: May 2008
Location: charleroi
Posts: 90
mine is 2.25
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Unread 03-22-2010, 09:49 PM   #7
Stryker777
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1995 YJ Wrangler 
 
Join Date: Feb 2010
Location: Missouri
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2.25 here also
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Unread 03-23-2010, 12:34 AM   #8
stumpjumper09
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Location: yakima washington
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2.25 on mine
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