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Looking to install dynomax super turbo cat back kit on 89?

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Old Jul 7, 2011 | 02:32 AM
  #1  
4wheeldrivenewbie's Avatar
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From: maine
Year: 1989
Model: Cherokee
Engine: 4.0 straight 6
Default Looking to install dynomax super turbo cat back kit on 89?

Has anyone herd anything about this exhaaust kit or tryed it. i was hoping to put it on to add alil more of a racing meaner sound then stock and maybe gain slight horse power. If i put this exhaust on will it idle obnoxiously loud?? i was hoping i could put something on that would only get mean when u put ur foot on it. Any ideas also with this kit i would need a tip i assume?
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Old Jul 7, 2011 | 05:08 AM
  #2  
xj wheeler's Avatar
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Joined: Jun 2011
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From: S.E. Tx
Year: 1992
Model: Cherokee
Engine: 4.0 I6 firepower ignition, cat-back w/ magnaflow muffler, poweraid tb spacer, optima blue top
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I'm not sure if the catback is different,but my brother has a '90 with the Dynomax muffler. To tell you the truth i don't like the way it sounds, it sounds kinda weird for a 4 litre. I had a custom catback done at one of the local muffler shops with a magnaflow muffler and stainless tip. I love the sound, it sounds about the same idling and low rpm as stock, but when i get up to about 2000 rpm and above it sounds "mean". I'm not the best at describing it but i think it sounds throaty and like well tuned. I get the feeling your looking at the dynomax because of price, but i got my exhaust done for about $200 and that included the stainless tip.

Also get stainless tubing if you can, the aluminized tends to rust, like mine.
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Old Jul 7, 2011 | 07:05 AM
  #3  
excess650's Avatar
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From: here today gone tomorrow
Year: 1996
Model: Cherokee
Engine: 4.0
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look at the bottom of this page

http://performance-curve.com/jeep.aspx

mudfrog is a vendor sponsor here
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Old Jul 7, 2011 | 07:44 AM
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jx2991's Avatar
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From: Kuna, ID
Year: 1992
Model: Cherokee
Engine: 4.0L
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I'm running dual Super Turbos on my 72 El Camino with a 350. They have a nice mellow tone at idle and reasonably quiet. Once you get into the pedal a bit it sounds really good. That's on duals on a V8 so it would probably sound great on an I6 with a single, smaller pipe.
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