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Old 04-02-2019, 02:07 PM
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"Meanest" sounding exhaust

Hello everyone, I see a ton of threads on which is the best exhaust to get and seems like people seem to really like the mangaflow. However, as I have given up on caring about any mpg and trying to go for more smiles per gallon, what is the meanest sounding exhaust? I know it's only a 3.6L V6, but just curious as to what is out there that makes my little two door sound meaner.

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Old 04-02-2019, 02:11 PM   #2
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If you want loud go with the Magnaflow off road version that dumps before the rear axle.

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Old 04-02-2019, 02:19 PM   #3
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This is VERY popular for the JK platform

Easy to install too.

http://www.dynomax.com/single-2-5-ca...ler-39417.html
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Old 04-02-2019, 02:25 PM   #4
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all of them will sound like crap with the 3.6. best option is piecing together the Dynomax quiet crawler system.
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Old 04-02-2019, 02:25 PM   #5
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You might want to reconsider "the droning" effect of those "meanest sounding" exhausts
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Old 04-02-2019, 02:28 PM   #6
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I went with a pypes catback exhaust. Its mean alright, enough to want to rip out the ear drums on the highway...

Sounds fantastic during low rpm and idling. I think it all has more to do with exhaust design. mine is a straight pipe with a glasspack for a resonator... Ouch.
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Old 04-02-2019, 02:42 PM   #7
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I generally cringe when a JK drives past me with non-stock exhaust. I'd love for it to sound mean, but I've yet to hear one that doesn't sound like a civic with a sewer pipe on the back.
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Old 04-02-2019, 03:39 PM   #8
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No exhaust sounds mean on a 3.6 Pentastar. They sound like shit!!!
You want mean, put an old big block Chevy in it
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Old 04-02-2019, 03:53 PM   #9
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No exhaust sounds mean on a 3.6 Pentastar. They sound like shit!!!
You want mean, put an old big block Chevy in it
Yep. No way to get a V6 to sound mean. Just loud. And when you make it loud it will just sound like someone giving you the raspberry.

The only way to get a mean sounding JK is to swap in a V8. Or get the quietest exhaust you can, put in a CD with exhaust sounds, and crank it up.
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Old 04-02-2019, 04:05 PM   #10
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Old 04-02-2019, 05:32 PM   #11
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At the end of the day you have a fairly mild V6 and will sound as such no matter what. The magnaflo has a nice tone and looks very clean from behind.
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Old 04-02-2019, 05:52 PM   #12
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The borla climber sounds nice. Too loud for my taste so I built my own quiet system.
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Old 04-02-2019, 06:14 PM   #13
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If you want loud go with the Magnaflow off road version that dumps before the rear axle.
I had that, it lasted nearly three complete miles. Couldn’t get back home fast enough to pull it back off.

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You might want to reconsider "the droning" effect of those "meanest sounding" exhausts
This is why...
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Old 04-02-2019, 06:48 PM   #14
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"Meanest" sounding exhaust

I also have the Pypes cat back single exhaust, I am very happy with it.
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Old 04-02-2019, 07:15 PM   #15
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I run a 12" Glasspack on my JKU. Sounds good, no drone and screams when I floor it! LOL
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Old 04-02-2019, 09:08 PM   #16
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Flowmaster for the win... has the sound and is great for offroading, deletes the stock muffler and tucks everything up high

https://www.holley.com/products/exha...s/parts/817674

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Old 04-02-2019, 09:13 PM   #17
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I have a straight pipe and it still sounds week. It is a crappy V6.
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Old 04-03-2019, 06:16 AM   #18
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I had that, it lasted nearly three complete miles. Couldn’t get back home fast enough to pull it back off.



This is why...

Yea it's coming off when the Flowmaster gets here.
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Old 04-03-2019, 08:17 AM   #19
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Here's a question. Why are there so many "cat back" systems for the JK / JKU that are not actually "cat back" systems?
To be a cat back system on a JK / JKU it would need to include the Y pipe as the cats are in front of the Y pipe. And it would either need to include a loop delete pipe for the left side or include a new loop.
I declare Shenanigans!
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Old 04-03-2019, 08:39 AM   #20
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Here's a question. Why are there so many "cat back" systems for the JK / JKU that are not actually "cat back" systems?
To be a cat back system on a JK / JKU it would need to include the Y pipe as the cats are in front of the Y pipe. And it would either need to include a loop delete pipe for the left side or include a new loop.
I declare Shenanigans!
because the average person doesn't know the difference anymore. helps sell the product.
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Old 04-03-2019, 08:39 AM   #21
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I was doing a lot of research on this when I decided to get an aftermarket muffler, and a lot of the comments I saw from people was that the flowmaster was WAAAAY to loud for them. So that might be an option.


I ended up putting the magnaflow performance exhaust on mine. It will never rumble like my mustang GT did, clearly, but I think it still sounds pretty nice, and aesthetically, it is a no brainer compared to the stock.
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Old 04-03-2019, 09:03 AM   #22
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Old 04-03-2019, 09:48 AM   #23
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Mean sounding? Then get a Hemi, a 6cyl will never sound mean, it'll just sound ricey. lol
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Old 04-03-2019, 11:00 AM   #24
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So I have the Dynomax 39522. With the hard top on from inside it was fine, loud but fine. Take the top and doors off and it was really tough to deal with. I actually spliced in a Dynomax race bullet in front of it. Pushed the muffler backbut it still dumps pre axle. Sounds MUCH better. Really softened the tone and is much easier to deal with.

That said, had my stock muffler not been damaged I would still be running it. I agree that you can't make it sound much better. I just went with the pre axle dump to free up space back there, not for sound.
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Old 04-03-2019, 11:05 AM   #25
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I have the 409 Stainless American Thunder from Flowmaster. It is loud when you get on it but it's not to noticeable at idle and when your cruising but it makes noise when you get on it. I can really hear it going through the parking ramp at work. It sounds good from outside the Jeep.

If your putting it on a 4 door it is an easy install except for the front factory clamp bolt. Some people drop the skid plate but I just reached up there and was able to turn it no problem. Be aware the factory clamps on mine were welded to the pipe so when I got them loose I couldn't turn them to make them easier to access. I didn't have any issue with the install as I have a 4" lift, but I did have to install a rear sway bar drop bracket as the over axle pipe ended up about a 1/4 inch from the bar. The drop bracket dropped it about an inch for clearance.
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Old 04-09-2019, 07:38 PM   #26
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I disagree with the “rice-burner” sounding exhaust claims, at least with the aftermarket exhaust system I bought.

I was concerned about how it would sound before I bought it, but I did not want a loud obnoxious constant drone and I did not want a quite exhaust. I did want something that made some noise when I punched it. And after reading many posts, people talked about how their exhaust choice was affected about how loud it sounds specifically inside the Jeep while driving. People were talking about how the loud drone was causing headaches and they couldn’t keep conversation because it was so loud. The last and definite no-go choice was for a flowmaster. My personal opinion is that flowmaster should go on nothing less than a V8. A flowmaster will be loud for sure.

After emailing the company, I ended up buying the Dynomax 39523 Ultra Flo Polished Stainless Steel Cat-Back Single Exhaust System. This one has a low idle growl to it and when you punch it, it is noticeable and sounds aggressive. I was picky about my choice because I hate rice burners and was definitely not going to go with something like Borla or whatever other choices they throw on there to avoid the risk of that stupid noise the burners put out.

At speed on the highway there is a mild to moderate noticeable drone, which you can feel the hum while inside the cab. I can tell you that if you are sitting in the back, it will be much louder.

You may want to consider that. I’m happy with what I got, but if I would have gotten the louder option, I would have replaced it immediately.

I also have a Ruggedness ridge snorkel intake XHD I think, and a programmer, so it’s running smoothly. It sounds aggressive from the inside and from the outside. For a V6, it sounds pretty good.

Dynomax gives you some sound clips to hear their exhaust. If this is your daily driver I’d go with what I got. If you’re off-roading or won’t be driving long distances regularly, then by all means, go loud.

Good luck.
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Old 04-09-2019, 07:54 PM   #27
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If you want a mean sounding exhaust, put in a Hellcat Motor.😁
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Old 04-09-2019, 09:58 PM   #28
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Not too long after I got my JK, I came down on a rock that wiped out the stock trash can sized muffler. I took it to a muffler shop that specializes in hot rods and trucks. They built me a system that is tucked up out of the way, and sounds good. And, it is all welded. They fitted several mufflers and let me choose. I went with a Dynomax. I drove it for a couple of days, and it was too loud for me. I took it back to the shop they installed a 12" resonator. They only charged for the part with no additional labor. It has a nice growl to it at low RPM and has a nice aggressive tone when floored, but it is not obnoxious or ricey. No, it doesn't sound like a V8. The whole deal including labor was far less than any of the popular bolt on systems.
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Old 04-09-2019, 10:51 PM   #29
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Any exhaust on a V8 conversion... Otherwise, don't bother. I'd choose the aFe high tuck for the ground clearance, not the sound... Even though, they sound decent.
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Old 04-11-2019, 12:48 AM   #30
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Meanest sounding exhaust?

One where your jeep is wheeling through the woods and all you can hear is a few snapping twigs and the crunch of dry leaves.
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