post #1 of Old 03-22-2010, 08:47 PM Thread Starter
skidawgz
Registered User
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

skidawgz is offline  
post #2 of Old 03-22-2010, 08:58 PM
jgillespie
Registered User
1991 YJ Wrangler 
 
Join Date: Oct 2007
Location: Dalton
Posts: 1,436
IIRC it's 2.5

'91 YJ 4.0 3/4'' Brandon Booms 31/10.50 BFG AT Herc'd CJ dash/tailgate CJ5 seats 4KCs cracked windshield
RED JEEP CLUB MEMBER 536

Originally posted by Crazyquadder:
Quote:
a 6 foot puddle is approx half way up my doors
jgillespie is offline  
post #3 of Old 03-22-2010, 09:12 PM
Tshark299
Registered User
 
Tshark299's Avatar
1987 YJ Wrangler 
 
Join Date: Mar 2004
Location: Upstate NY
Posts: 2,388
it's 2.25", I just replaced everything from the manifold back

'87 YJ Laredo - 4.0L, AX-15, NP231, 4.10s: 3.5" BDS, 31" Muds

'95 XJ - Donated drive train to the YJ, Parted out the rest

'51 CJ-3A - Buick 225 V6: Painless Wiring Harness, Warn Overdrive & Hubs, 2" Lift, 31" Muds
Tshark299 is offline  
post #4 of Old 03-22-2010, 09:27 PM Thread Starter
skidawgz
Registered User
1994 YJ Wrangler 
 
Join Date: Oct 2008
Location: NJ
Posts: 49
thanks, do we have a tie breaker vote ha ha
skidawgz is offline  
post #5 of Old 03-22-2010, 09:30 PM
stone
Registered User
1993 YJ Wrangler 
 
Join Date: Mar 2010
Location: Tampa, Fl
Posts: 229
Mine is 2.25
stone is offline  
post #6 of Old 03-22-2010, 09:44 PM
jeepwyj94
Registered User
1994 YJ Wrangler 
 
Join Date: May 2008
Location: charleroi
Posts: 90
mine is 2.25
jeepwyj94 is offline  
post #7 of Old 03-22-2010, 09:49 PM
Stryker777
Member
 
Stryker777's Avatar
1995 YJ Wrangler 
 
Join Date: Feb 2010
Location: Missouri
Posts: 329
2.25 here also
Stryker777 is offline  
post #8 of Old 03-23-2010, 12:34 AM
stumpjumper09
Registered User
1995 YJ Wrangler 
 
Join Date: Mar 2010
Location: yakima washington
Posts: 172
2.25 on mine

Jeep name = White lightnin!
stumpjumper09 is offline  
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Jeep Forums Replies Last Post
Exhaust pipe size?? jeepbronco1 JK Wrangler Technical Forum 2 09-19-2009 08:55 PM
Exhaust Pipe Size SupermanTJ TJ Wrangler Technical Forum 1 02-26-2009 04:31 PM
Exhaust Pipe Size help please dirtysilver06 TJ Wrangler Technical Forum 2 03-22-2008 06:17 PM
Stud that attaches exhaust manfold to exhaust pipe keithert TJ Wrangler Technical Forum 0 04-28-2007 10:47 PM
exhaust pipe size rmnkys TJ Wrangler Technical Forum 0 05-03-2004 03:14 PM

Posting Rules  
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome