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Old 05-30-2012, 02:02 AM   #1
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Loudest and best sounding muffler

Hello, I am thinking of getting a muffler for my 01' 4.0 Sport and I am wondering what is the loudest and deepest sounding exhaust. I have heard good things about the flowmaster 40 but also a gibson muffler and I am wondering what your opinions are.

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Old 05-30-2012, 02:47 AM   #2
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IMO, most of the louder mufflers are pretty raspy...whereas the deeper toned mufflers aren't as loud. I like my Dynomax muffler. My buddy had a Flowmaster 40 on his 4.0 YJ and it wasn't all that impressive to me.

Something I've been impressed with in videos but never actually heard in person...check out the Flowmaster Super 40 combined with a high flow cat.

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Old 05-30-2012, 06:58 AM   #3
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Interesting,,, we just got back from our second trip to Moab. 1st time out we did the WRT, and other various trails. This past time we camped in the Needles and of course wheeled everywhere including the Elephant Hill trail.... We encountered lots of other folks along the trail, and noticed one thing. There was no noise emanating from any of the other machines. There was no loud music, and no noisy mufflers. Even while we were in Moab for a day, fueling up and getting supplies, we noticed, no loud music and no loud mufflers. And believe me, we must have encountered hundreds of off road excursion vehicles while in town.. So I ask, why spoil the great outdoors with unnecessary noise from your jeep? I don't get it...
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Old 06-05-2012, 08:49 PM   #4
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Just bought my first Jeep, 2012 call of duty. I put a lift, new wheels and tires and now want to make it sound a bit more like it looks... beefy. Any suggestions? Thanks in advanced.
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Old 06-05-2012, 09:06 PM   #5
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I had a flow master 40 on my 97 Sahara. Was pretty loud but not a refined sound. It popped on decel and sort of droned o. Acceleration. I have a Banks cat back on my 2001 and it has a deep tone but is not loud at all. I like both for different reasons but I think most like the Magnaflow for its sound and price.
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Old 06-05-2012, 09:27 PM   #6
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Magnaflow.... Ive owned numerous vehicles with all kinds of different exhaust systems and Magnaflow is by far my favorite. My dad owns an exhaust shop in town and Ive tried lots of brands but still I say Magnaflow for price and nice deep tone.
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Old 06-05-2012, 09:31 PM   #7
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Thrush welded. $39. Has the best deep drone sound.
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Old 06-05-2012, 09:42 PM   #8
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Loudest is the Flowmaster 10 Series.

Best Sounding, IMO, is any Muffler that has Packing (NOT a Glasspack or Cherry Bomb).
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Old 06-05-2012, 10:04 PM   #9
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I like my flowmaster 50. Loud enough to sound good, but quiet enough to talk inside and not draw attention.
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Old 06-05-2012, 11:28 PM   #10
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Quote:
Originally Posted by Rubicondon53 View Post
Interesting,,, we just got back from our second trip to Moab. 1st time out we did the WRT, and other various trails. This past time we camped in the Needles and of course wheeled everywhere including the Elephant Hill trail.... We encountered lots of other folks along the trail, and noticed one thing. There was no noise emanating from any of the other machines. There was no loud music, and no noisy mufflers. Even while we were in Moab for a day, fueling up and getting supplies, we noticed, no loud music and no loud mufflers. And believe me, we must have encountered hundreds of off road excursion vehicles while in town.. So I ask, why spoil the great outdoors with unnecessary noise from your jeep? I don't get it...
Mall Crawlers?
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Old 06-05-2012, 11:53 PM   #11
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I got a flow master on my TJ it's got a bit of rumble to it at city speeds but on the highway it loud as hell with no top on but with the top on its not to bad
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Old 06-07-2012, 08:05 AM   #12
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Mall Crawlers?
Don't get me wrong, there are lots of heavily modified/built machines out there used for heavy duty rock crawling, mudding, etc etc, that have big motors, headers, etc etc, used for play, and competition, that are very loud. And I get that. I just don't get being loud for the sake of being loud.. I like your answer...
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Old 06-07-2012, 08:56 AM   #13
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Spin Tech
Magnaflow = Waste of money
Flowmaster = Waste of money
SpinTech Performance Street and Race Mufflers - SpinTech Performance Mufflers

Go here and never look back. This is what I have and its literally the best jeep exhaust i have ever heard. They will make you custom applications to fit around any suspension design. They are made in the USA. This is a head turner. You will be completely satisfied with how your jeep sounds. If you are interested i can give you the exact part number i have.
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Old 06-07-2012, 09:17 AM   #14
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I'm not a fan of ridiculously loud mufflers for the sake of being loud. That being said, I am enjoying the throatier sound of my Banks muffler. A nice rumble but not overly obnoxious. I also didn’t replace the stock muffler for the sake of a non-stock sound.
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Old 06-07-2012, 10:19 AM   #15
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Loud muffler and 6 cyl shouldnt be in the same sentence , V8 yes. Please don't imitate Ricers !
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Old 06-07-2012, 10:44 AM   #16
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It's one thing to put BARK on a vehicle that has the BITE to back it up. The wimpy hampsters under the hood of the Jeep is nothing to brag about with a loud muffler.

I have very loud on my modified Mustang

(Now I will admit the 4.0 inline 6 with a muffler does sound nothing like a V6 with a loud muffler and sounds better than a V6)
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Old 06-07-2012, 11:21 AM   #17
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It's funny this thread got started because I was going to start one today to get opinions of high flow mufflers that have a low tone and remain relatively quiet. I have tried flowmaster 40 series, and currently running a 3" in/out magnaflow. Here is a link to what it sounds like on the dyno. Supercharged Jeep Wrangler on the dyno at PSi on Vimeo It is loud and sounds good under acceleration, but sometimes pops compression braking and decel, also has a annoying drone at 1800 cruising. Has anyone ever tried and old school long glasspack on their 4.0L ? Niko, that link will give you an idea of what the magnaflow sounds like, it will turn heads if thats what your looking for.
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Old 06-07-2012, 11:40 AM   #18
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I run a magnaflow glass packed muffler with a short 3" turn down right b4 the axle and it sounds awesome. SUPER lound AND throaty!! Lovin it. Its on my 05 4.0.

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Old 06-07-2012, 12:44 PM   #19
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I personally like the stock muffler and quiet exhaust sound. A 6 cylinder is never going to sound like a V8 performance machine and the loud drone of the exhaust gets old when out wheeling for hours. Of course this is just my opinion.
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Old 06-07-2012, 01:06 PM   #20
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Quote:
Originally Posted by Rubicondon53 View Post
Interesting,,, we just got back from our second trip to Moab. 1st time out we did the WRT, and other various trails. This past time we camped in the Needles and of course wheeled everywhere including the Elephant Hill trail.... We encountered lots of other folks along the trail, and noticed one thing. There was no noise emanating from any of the other machines. There was no loud music, and no noisy mufflers. Even while we were in Moab for a day, fueling up and getting supplies, we noticed, no loud music and no loud mufflers. And believe me, we must have encountered hundreds of off road excursion vehicles while in town.. So I ask, why spoil the great outdoors with unnecessary noise from your jeep? I don't get it...
I agree with this 100%. I love being out wheeling with no top and doors, and still being able to hear birds chirping. I have a buddy with a '98 Cherokee Classic that has some sort of muffler on it that rumbles, not too loud, but you can definitely hear it over anything else around.

I think "tread lightly" not only applies to disturbing as little habitat as possible, packing out any trash, but also applies to noise pollution.
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Old 06-07-2012, 01:09 PM   #21
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Look into mbrp I plan on getting their system that relocates the muffler out of harms way and it'll make the jeep not sound like a minivan and idk if its true but there isn't much drone
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Old 06-07-2012, 01:54 PM   #22
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I run a magnaflow glass packed muffler with a short 3" turn down right b4 the axle and it sounds awesome. SUPER lound AND throaty!! Lovin it. Its on my 05 4.0.

Attachment 129723
Why attract attention to yourself.... nothing I hate more than listening to a loud exhaust crack by my home.

I would definitely check your local/State laws before you invest time and money into any exhaust sytem that is not stock. WISCONSIN for example does not allow any exhaust to be "Louder than the original manufactured exhaust". Plus a definition of a muffler includes "a series of chambers and baffles".

So think about that before you spend $$ on any system because if you don't and Mr. Lawman stops you, you may be paying a hefty ticket along with removing the loud exhaust you just put in. And once Mr. Lawman has you stopped for that LOUD exhaust he may then find some other violations that may have gone unnoticed if you were just cruising around QUIETLY.
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Old 06-07-2012, 06:13 PM   #23
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If it made power it would already sound good but ..............
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Old 06-07-2012, 10:05 PM   #24
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If it made power it would already sound good but ..............
Ouch! Hey I'm trying!
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Old 06-07-2012, 10:20 PM   #25
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I have magnaflow, I dident get it for the sound I got it for the preformance with headers it gives a bit more HP and lets the engine breath. My exaust has a nice low rumble that dosent bother me or any one else while im driving, but still tells people I have a preformance exaust system.
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Old 06-07-2012, 10:30 PM   #26
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What effect on performance are people getting with these different mufflers? Power? MPG? Or just noise.
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Old 06-07-2012, 11:16 PM   #27
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I got a lil power nd worse mpg. The power didnt make up for the loss in mpg. But the BAD ASS sound makes up for the difference.
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Old 06-08-2012, 01:15 AM   #28
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Ok, so anything i can do to make my stock muffler quieter?
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Old 06-08-2012, 02:00 AM   #29
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Ok, so anything i can do to make my stock muffler quieter?
Turn the motor off...
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Old 06-08-2012, 02:02 AM   #30
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Lol that one fix!

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