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Old 04-17-2012, 07:00 AM   #1
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Exhaust opinions

I'm considering the Dynomax super turbo dual exhaust and would like to hear some opinions.


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Old 04-17-2012, 07:35 AM   #2
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Sounds pretty good in that video.

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Old 04-17-2012, 08:02 AM   #3
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ehh, I can't justify paying for sound. idk why, but exhausts and jeeps don't appeal to me. but if you like it and have the $, why not?

(but not sure if your serious)
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Old 04-17-2012, 08:11 AM   #4
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I'm serious. I helped a friend put a new exhaust in and was shocked at how easy it was. I certainly can't justify $300 to $400, but this one is $164 at Quadratec and has a $75 rebate. I've never been a fan of the huge stock muffler which now looks worse with my new bumper.
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Old 04-17-2012, 08:14 AM   #5
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Originally Posted by daggo66 View Post
I'm serious. I helped a friend put a new exhaust in and was shocked at how easy it was. I certainly can't justify $300 to $400, but this one is $164 at Quadratec and has a $75 rebate. I've never been a fan of the huge stock muffler which now looks worse with my new bumper.
yea, it's a very simple bolt on...go for it, sounds cheap. no pun intended. promise.
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Old 04-17-2012, 08:20 AM   #6
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this, Thrush 17656 - Exhaust Muffler | O'Reilly Auto Parts , i have all the parts i need for the install for under 45 bucks.
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Old 04-17-2012, 08:22 AM   #7
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For a net cost of $90 you really can't go wrong...
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Old 04-17-2012, 08:25 AM   #8
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And when you're finished you can use the stock one as a kitchen trash can.

It has to be the biggest muffler I've ever seen on a personal vehicle.
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Old 04-17-2012, 08:29 AM   #9
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Sounds pretty good
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Old 04-17-2012, 08:30 AM   #10
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Quote:
Originally Posted by GREEN-MACHINE View Post
this, Thrush 17656 - Exhaust Muffler | O'Reilly Auto Parts , i have all the parts i need for the install for under 45 bucks.
I saw that on Freaks. I have two concerns. How does it sound? How well does it connect with the stock hangers? The OP on Freaks wasn't real clear on how he hing it and I don't want something jury rigged.
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Old 04-17-2012, 09:14 AM   #11
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45 vs 90? not really a big difference seeing is how you already know what the 90 dollar one sounds like and how it is installed. post sound clips up when installed.
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Old 04-17-2012, 09:14 AM   #12
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I ran it for 80 days on my 3.6 and then sent it back. It droned on the interstate, not terrible but enough. The tips didn't line up with the passenger side lower than the driver and no way to adjust. I also didn't like how it was angled instead of flat taking up valuable ground clearance.

I will give credit to DynoMax/Tenneco as they handled my return great. I'm thinking the VT "Rock Crawler" setup may be in my future, when they release them for the 12s.
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Old 04-17-2012, 09:24 AM   #13
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I have 4k miles on my gibson dual now. I want to say its broken in now, but it was not overbearing after install, and sounds even better now. I think a lot of folks don't let them break in, in regards to the drone on highway. Im used to it now, but gf said it is not noticeable anymore, and she is a weekend passenger.

I say go for it, break it in, if its too much, save the stocker jic.
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Old 04-17-2012, 09:56 AM   #14
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It sounds pretty good. I like dual exhaust on a JK, even though you don't get anything else out of it. The only thing you might be concerned with is "drone" at highway speed. I installed the Rugged Ridge dual cat back SS exhaust and it works for me. Not too loud and no drone at speed. It was a toss up between Gibson and RR. I had heard of a number of complaints of drone with Gibson so I decided on RR. I did install the Gibson slash cut ss tips. Those are nice. For the price, I don't think you can beat the Dynomax.
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Old 04-17-2012, 10:05 AM   #15
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Old 04-17-2012, 10:08 AM   #16
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If you had more room, like the JKU, Dag-you could use the Flowmaster 40 cat-back and installit right in front of the Evap-can--great "dual" sound and no drone !!

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Old 04-17-2012, 10:19 AM   #17
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If you had more room, like the JKU, Dag-you could use the Flowmaster 40 cat-back and installit right in front of the Evap-can--great "dual" sound and no drone !!

JIMBO
I know. I checked out your set up and it would require relocation of the evap. I already have it skidded and really don't want to relocate it now.
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Old 04-17-2012, 10:22 AM   #18
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Don't blame ya partner--I wouldn't relocate mine either--


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I know. I checked out your set up and it would require relocation of the evap. I already have it skidded and really don't want to relocate it now.
Good luck-

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Old 04-17-2012, 10:27 AM   #19
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How would you describe what exhaust "drone" sounds like?
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Old 04-17-2012, 10:38 AM   #20
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I agree, but I'm not willing to go into that price range.
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Old 04-17-2012, 10:39 AM   #21
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Quote:
Originally Posted by ranjr View Post
I ran it for 80 days on my 3.6 and then sent it back. It droned on the interstate, not terrible but enough. The tips didn't line up with the passenger side lower than the driver and no way to adjust. I also didn't like how it was angled instead of flat taking up valuable ground clearance.

I will give credit to DynoMax/Tenneco as they handled my return great. I'm thinking the VT "Rock Crawler" setup may be in my future, when they release them for the 12s.
It does sound different on the 3.6.

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Old 04-17-2012, 10:55 AM   #22
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i really like the Gibson,,, its the only one I have heard in person but it was on a 3.8.. but still, the vids of the 3.6 i like,,
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Old 04-17-2012, 12:06 PM   #23
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Opinions?
Most Naturally aspirated V6 engines sound like crap with louder exhaust, and the 3.8 is one of them. Leave it stock. Dynos have shown the catbacks aren't doing much for the 3.8 power-wise, either.
A buddy put the Gibson headers on his JK, with an otherwise stock exhaust. That sounds better than any muffler I have heard on a JK yet.
My opinion is save your money.
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Old 04-17-2012, 12:20 PM   #24
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Opinions?
Most Naturally aspirated V6 engines sound like crap with louder exhaust, and the 3.8 is one of them. Leave it stock. Dynos have shown the catbacks aren't doing much for the 3.8 power-wise, either.
A buddy put the Gibson headers on his JK, with an otherwise stock exhaust. That sounds better than any muffler I have heard on a JK yet.
My opinion is save your money.
Definitely not concerned about power, I've got plenty. In fact I never considered the 3.8 to be under-powered until I read it on the internet. I wouldn't mind it sounding more like a truck and less like a sewing machine. I also wouldn't mind not seeing so much of the muffler.

I'm not 100% sold making the change yet.
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Old 04-17-2012, 12:28 PM   #25
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I like that sound. It is not too in your face, seems just right.

And for that price? I don't know if it can be beat. Plus it looks like the installation should be easy.

I've been looking more and more at something to change my sound a bit and this might be it. It may be mostly a "cosmetic" change but really half of what we do changes the appearance of our Jeeps.
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Old 04-17-2012, 12:36 PM   #26
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I like that sound. It is not too in your face, seems just right.

And for that price? I don't know if it can be beat. Plus it looks like the installation should be easy.

I've been looking more and more at something to change my sound a bit and this might be it. It may be mostly a "cosmetic" change but really half of what we do changes the appearance of our Jeeps.
Those are exactly what my thoughts are. Before I helped a friend change his exhaist system, my thoughts were pretty much in line with Bill's (Mr. Sinister).
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Old 04-17-2012, 01:15 PM   #27
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Definitely not concerned about power, I've got plenty. In fact I never considered the 3.8 to be under-powered until I read it on the internet. I wouldn't mind it sounding more like a truck and less like a sewing machine. I also wouldn't mind not seeing so much of the muffler.

I'm not 100% sold making the change yet.

It will sound like a V6 truck. You just can't get a good, deep rumble from a V6. It's never going to sound like a Hemi.
You get that raspy, wheezy sounding mess from a V6. It just does not sound at all aggressive to me, and actually makes me laugh. It's like big chrome rims on a Jeep to me. In my mind, it serves no purpose other than "look at me" on a Jeep, because I don't like the sound. But, it's your Jeep. Just know, I will bust balls if I see you on Assateague.
Now the 350z/370z and the Infinity counterparts sound OK, but they sound like sports cars, not muscle cars, and certainly not deep or rumbly. The old turbo Buicks sounded good with loud exhaust, because you could hear the turbo spooling through the exhaust, and it drowned out the V6 sound. Pretty much all 4 cylinders sound terrible, save for a Subaru Boxer engine.

You want sound? Put noisy tires on it. That's more at home on a Jeep than noisy exhaust.
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Old 04-17-2012, 01:22 PM   #28
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I gotz noisy tires!
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Old 04-17-2012, 01:31 PM   #29
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I gotz noisy tires!

Then crank some AC/DC and forget the exhaust!!
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Old 04-17-2012, 05:54 PM   #30
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Originally Posted by GREEN-MACHINE View Post
this, Thrush 17656 - Exhaust Muffler | O'Reilly Auto Parts , i have all the parts i need for the install for under 45 bucks.
I have it and love the sound. I had the FM 40 and didn't like it. It was too loud with the top off. This one gives more sound when you give it gas but is fairly quiet when cruising. Still more rumble then stock but not over the top.

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