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Unread 05-29-2003, 01:39 PM   #1
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1998 XJ Cherokee 
Join Date: May 2003
Posts: 74
Exahust for JGC ZJ

Hey all, I was wondering if anyone was familiar with aftermarket mufflers I can get for my ZJ? I've got the 5.2 v8. I've heard things about the Dynomax super turbo, but most of the things I've read has been referenced with the 4.0 i6, so I was wondering anyone knew any good mufflers for the v8. I am not particularly looking for noise, more for gas mileage and performance, from what I've read, there is actually a increase in gas mileage is that true or is that more of a myth? does anyone know of any reviews written by anyone? Another thing is that my local exhaust shops have super turbos and there only like 14" in width, the actual muffler body width, but the dynomax site has a 20" listed for the zj, so there is a 6 in difference, what kind of difference do you guy think it will make with a smaller muffler. any help would be appreciated, I've also been suggested to look at magnaflow mufflers, they're more than the super turbo, but less than the ultra flo's.

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Unread 05-29-2003, 01:56 PM   #2
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Join Date: Feb 2003
Location: Hagerstown, MD
Posts: 247
I have a 93' ZJ and i've got a Flowmaster 40 series on it and it sounds GREAT. I just replaced the factory muffler and kept the same pipes from the cat. back. The shop had to add a little piece of pipe because the flowmaster was shorter than the stock muffler but if your looking to get a cat. back system, that won't be necessary. it cost me $125 for the muffler and labor. Money well spend for the sound and gain that i got. Good Luck
99' TJ Sport, 31inch MTR's, Lift Comming Soon
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Unread 05-29-2003, 08:45 PM   #3
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Join Date: Mar 2002
Location: denver
Posts: 49
have a 96 gc limited and had a magnaflow installed along with a carsound cat and it sounds pretty sweet...nowhere near as loud as a dumpmaster...the shop where i had this done was able to loosely install various mufflers for me to hear while in the drivers seat and the dumpmaster droned pretty bad...it might sound great to those outside but i have to live with it inside

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Unread 05-29-2003, 09:38 PM   #4
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Join Date: Apr 2003
Posts: 38
i have a 6 cylinder with flowmaster..it sounds good..very deep..i would imagine for the 5.2 it would sound sick..it u want spend the extra like 30 bucks and run new pipe..looks cleaner and easier for a tip..good luck man..you'll hear a difference
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Unread 05-31-2003, 02:47 PM   #5
Swamp Boy
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1993 ZJ 
Join Date: Jan 2003
Location: New Orleans
Posts: 1,327
DItto magna flow.. Sounds good out side and quit inside...
Just another soccer moms Grocery getter....
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