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Old 01-01-2011, 10:09 PM
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4.0 Exhaust owners

I want to replace my exhaust. But I not for sure what brand to go with
so any 4.0 owners that have upgrade their exhaust. And can recommend a cat-back system


1.stock
2.slightly some exhaust noise. (maybe)
3.mild exhaust noise. (maybe)
4.mid to high exhaust noise.
5.high exhaust noise.

I just don't want it to sound like crap.
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Old 01-02-2011, 12:42 PM
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My Jeep: 2005 4.7L WK
 
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Re: 4.0 Exhaust owners

I installed the hushpower 2 on my brothers XJ with 4.0l. Sounds pretty mean but it does have a annoying drone, i would look into the 50 series muffler line from Flowmaster.
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Old 01-06-2011, 08:09 PM
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Re: 4.0 Exhaust owners

I had a Flowmaster series 40 and it droned and was a little obnoxious at times. The best sounding muffler that was not super loud and not droany is the magnaflow IMHO that or a 50 series flowmaster.
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Old 01-06-2011, 08:11 PM
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My Jeep: 2010 6.1L WK
 
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Re: 4.0 Exhaust owners

Magnaflow for the 4.0L or GTFO!
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