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You will get more noise but no noticeable power gain. Read the numerous exhaust and CAI thread on Pentastar JKs.
 

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I have been wandering the same question. You can youtube different exhaust brand's and her what they sound like. I like the sound of the Gibson & Corsa muffler's.
 

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I got tired of pinching my exhaust tip after rock crawling so I went with the Dynomax Evo Comp which dumps out on the left side right before the rear axle. Love it...slight drone that sounds nice but not obnoxious.
 

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I put the Dyno Max Dual Outlet on my JK. Not to brand bash but the photos attached are the exhaust after 1 year of use.

Yes I live in the Northeast and we have a lot of salt on the roads in the wintertime but this exhaust literally started peeling like an onion.

Luckily Quadratec stands by their customers and sent me a replacement at no charge. If this one rots out again I am going to ask for credit and replace it with a better system.
 

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I hit my exhaust with a black high heat paint every year. A little extra coating to help ward off the elements and black muffler looks bad ass
 

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I got tired of pinching my exhaust tip after rock crawling so I went with the Dynomax Evo Comp which dumps out on the left side right before the rear axle. Love it...slight drone that sounds nice but not obnoxious.
So worth it? It's only $180 ... Tempting. I was concerned about 75 mph drone.
 

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I just put mine one, hopefully being in FL I won't have any rust issues. Haven't driven it yet, will be shortly. THe only problem I had was that damn tac weld on the stock exhaust! That was a mother to cut and get off, I had an old hacksaw blade and a hammer and just sweated it out. Only paid $104 for the non tipped version. Might add some black tips in the near future...
 

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I just put mine one, hopefully being in FL I won't have any rust issues. Haven't driven it yet, will be shortly. THe only problem I had was that damn tac weld on the stock exhaust! That was a mother to cut and get off, I had an old hacksaw blade and a hammer and just sweated it out. Only paid $104 for the non tipped version. Might add some black tips in the near future...
which one did you install and can you comment on the highway drone, if any?
 

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Personally I'm not hearing a drone. I don't know if people who complain about a drone don't realize once you're on highway you are at a constant speed and rpm usually so the exhaust will not change in time much... Therefore you hear the same sound........
 

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wow! hard top or soft top? i was very hesitant to purchase this thinking i would hate the noise at highway speeds. in your video, that is nothing! did you get the Dynomax 39516? which model?
 

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Yes, some of these aftermarket exhaust are stainless, so no rust issues. They also look nice, and will give you some of that throaty sound that we all like, but never as good/deep mellow as the V8s sound....:nonono:

As for MPG/Power increase, well you will find, that it's mainly Placebo...:happyyes:
 
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