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Unread 12-25-2010, 10:06 PM   #1
JUNK726
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1974 J-Series Truck 
 
Join Date: Oct 2008
Location: Wheatland, Commiefornia
Posts: 311
dumbest exhaust question yet for 4.0 swap..

So im a confused newb and i wanna spend my money right first time..i got a new 4.0 header..and its on ready to go..got a nice new downpipe with perfect bend to clear my slave cylinder and belllhousing..simply gotta cut it at the straight point and match to whichever cat and muffler i pick out..so here goes..am i looking for an exhaust kit for the Wranglers?! Im assuming the 4.0 wrangler from 91-95? I get confused looks (as usual) at napa..and will be calling 4wd.com in morning..but a few beers in tonite and REALLY wanna find which brand i want to buy asap..seen a bunch of cj's with really nice systems and i want that rear exit one piece pipe..just confused as to easiest/best way to route her thanks all for bein patient! Im almost there

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Unread 12-26-2010, 07:42 AM   #2
gojeepin
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1983 CJ7 
 
Join Date: Feb 2006
Location: Riverview, Florida
Posts: 3,441
I haven't looked at the YJ exhaust for a while but I know the TJ exhaust crosses over to the passenger side and exits behind the passenger rear tire.

I don't know about yours, but that won't work for my '83 CJ. The CJ exhaust goes straight back... why not build your own or have one custom built.
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83 CJ7, 4.1L 6cyl (4.0L bored .030" over), 35" tires, T-5 transmission, Dana 300 TC, Trussed AMC 20.
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Unread 12-26-2010, 09:09 AM   #3
SethNCSU
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Join Date: Apr 2001
Location: Concord, North Carolina
Posts: 62
The driveshaft being on the passenger side kind of forces you to run it straight back down the driver side. I think you would have a hard time snaking it over to the passenger side. I agree with gojeepin, have one custom built.

I bought the piece of pipe that comes off the header of a stock 4.0 at a junk yard and cut and welded it to match what I had. Not the best, but it works for now.
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