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Unread 01-07-2008, 05:43 PM   #1
06flex
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tummy tuck/ exhaust

So I have been researching different tummy tucks and searching on here for so info. Well as i always do i have confused myself even more now. I wanted to do the jeep medic belly up but i guess my time ran out on that. Now i have decided to go with either tera flex or 33 engineering. My questions are (I am about to show my ignorance about welding) with the tera flex tt it says some exhaust mods may be required, 33 Eng. does not say anything about this so will i have to modify my exhaust or not? I read on here that the exhaust moves up with the trans mount so i am guessing that they are mounted together some how. I went out and took a look at mine and could not tell any where they were "hooked together". I also noticed there was not much room between the stock exhaust and skid so if the skid were to be moved up there would be interference with the exhaust if not modified. So my next question is (even though i have read other treads about tt and nothing mentioned about exhaust modifications only when doing a long arm suspension lift) if i have to modify my exhaust and i buy a new muffler can i weld it in with flux core wire. I am by no means a professional welder, and would never do any structural welding, but i think i could lay a good bead down on an exhaust. I know that some mufflers are aluminum and i can not weld those with flux core but the others i can right or am I way off and dont need to do anything with the exhaust to do a tummy tuck? Sorry in advance for my ignorance.

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Originally Posted by mrblaine View Post
You didn't correct the problem, you only worked around the real problem.
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Unread 01-07-2008, 06:58 PM   #2
Scotch740
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Here are the 33 Eng tranny mount next to the stock one. The Bushing on the piece sticking up is where your exhaust hanger goes in. My guess (as my application was custom) is 33 Eng expects you to get their mount. Where as with another manufacture you might need to shorten the bushing support. You can see in the pic that the 33 Eng mount (new and shiny) has a lower bushing mount location.



I did a quick review of the tranny mounts see the link in my sig.

That being said with my Flat TC skid which raised the TC as much if not more than the 33 Eng one and more than teraflex I had to trim off a little tail pipe so it would not rattle on my trailer hitch.
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Unread 01-07-2008, 07:01 PM   #3
JeepRocks86
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I cut the factory mount down and lowered it about an inch and a half or so. Now that I have a welder, I plan to possibly move the cat a little forward and put a muffler where the cat is. That way I can eventually run an exhaust again out the back.
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Unread 01-07-2008, 07:05 PM   #4
Scotch740
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Quote:
Originally Posted by JeepRocks86
I cut the factory mount down and lowered it about an inch and a half or so. Now that I have a welder, I plan to possibly move the cat a little forward and put a muffler where the cat is. That way I can eventually run an exhaust again out the back.
So you did have to modify your exhaust? Humm I wondering if the LJ made it different for my setup. What did you have to change and what was the problem?

Just rembered you had a Clayton suspension, maybe thats the reason for the exhaust mod?
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Unread 01-07-2008, 07:08 PM   #5
scrappy
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ive been running the 33 eng skid and messing with the exhaust alot since i put it on. i am running a dynomax muffler and my exhaust shop bent some tubing around everything behind the muffler, but it still rubbed the shock, and rear track bar. i did it in when i backed up in a deeeeep mud hole and hit a rock whichbent the exhaust all up. my exhaust now dumps about 5 inches after the muffler and is not too loud. i dont like loud. hope this helps.
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Unread 01-07-2008, 07:26 PM   #6
JeepRocks86
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forgot, here's what mine looks like.

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Unread 01-07-2008, 07:26 PM   #7
06flex
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my thoughts were to get an after market muffler (that is shorter than stock) run a extension pipe from where it bolts to the cat out from the rear of the skid then hook back into the stock tail pipe. I also have receiver hitch as well.
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Quote:
Originally Posted by mrblaine View Post
You didn't correct the problem, you only worked around the real problem.
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Unread 01-07-2008, 07:29 PM   #8
chadsmeltzer
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I have a FM 40 and the 33 Eng. plate with no modifications done to the exhaust to fit.
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Unread 01-07-2008, 07:33 PM   #9
06flex
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Quote:
Originally Posted by chadsmeltzer
I have a FM 40 and the 33 Eng. plate with no modifications done to the exhaust to fit.
do you have a picture of what yours looks like or can you tell me if the muffler is out from under the skid (not like the stock skid and muffler where part of the muffler is under the skid.).
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Quote:
Originally Posted by mrblaine View Post
You didn't correct the problem, you only worked around the real problem.
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Unread 01-07-2008, 07:55 PM   #10
chadsmeltzer
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Here is the front of the cat. (It wasnt the focus of the picture, but its in there.)

I can get better pictures tomorrow of the exhaust from the back.
Edit: Most of the FM40 does stick out the back of the skid plate, I was wrong when I looked at in in the dark. It has about 1/2"-1" before it hits the skid
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Last edited by chadsmeltzer; 01-08-2008 at 12:54 PM..
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