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Unread 09-03-2010, 07:09 AM   #1
IAmAmerican
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What could i do to beef up my exhaust sound?

I have a 4.0L 6 cyl 1999 tj wrangler with stock exhaust. i dont want to do anything before the cat so i was just thinking about putting a flowmaster super 40 or a super 44 on. some of my friends think if i do that it will sound like one of those little jap boxes that the teenagers drive around in that sounds like a big fart. i want as close to a beefy v8 sounding exhaust as i can get. do you have any ideas?

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Unread 09-03-2010, 07:13 AM   #2
Turfzilla
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install a V-8.
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Unread 09-03-2010, 07:14 AM   #3
91yjeepin
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definetly a glasspack.
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Unread 09-03-2010, 07:16 AM   #4
robncar
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The only way to get a V8 sound is with a V8. That said, I hope your goal is not volume but rather tone. There's nothing like being behind a loud, droning exhaust all day on a trail ride. A buddy of mine had a Flowmaster 40 and it resonated, in the cab, at a certain RPM range. It just happened to be the RPM range one would be in on the highway. He had it removed and installed a Flowmaster 50. It did not drone and had a nice throaty tone. We have a 7" round stainless steel Magnaflow with our tri-link. It also has a just slightly louder than stock, throaty tone.
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Unread 09-03-2010, 07:19 AM   #5
Jakemd98
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glass pack is a good sound, no muffler is a good sound too (you can get this by running the glass-pack backwards). I run the banks system and LOVE IT! the glass back/no muffler has a bit of a flutter in its sound at times, mine is a nice meaty sound that resonates beautifully.

I honestly have never heard a 4.0 sound like a ricer though, the I6 has a unique sound. Just be sure you have a full tail pipe, and that will help keep it from sounding ricey.
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Unread 09-03-2010, 07:20 AM   #6
SaxManClay
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Quote:
Originally Posted by robncar View Post
The only way to get a V8 sound is with a V8. That said, I hope your goal is not volume but rather tone. There's nothing like being behind a loud, droning exhaust all day on a trail ride. A buddy of mine had a Flowmaster 40 and it resonated, in the cab, at a certain RPM range. It just happened to be the RPM range one would be in on the highway. He had it removed and installed a Flowmaster 50. It did not drone and had a nice throaty tone. We have a 7" round stainless steel Magnaflow with our tri-link. It also has a just slightly louder than stock, throaty tone.
Go with something that will SOUND good and not just be annoying to others around you. I went with a Magnaflow muffler, and I think it's great. Not loud enough to be annoying to other drivers, but it's a good sound inside the cabin that's awesome to listen to.

Also, go on Youtube and look up Jeep exhaust. You'll get lots of examples that you can listen to.
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Unread 09-03-2010, 07:33 AM   #7
IAmAmerican
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okay thanks i listened to the sound clips on magnaflow.com for my exact jeep and it sounds really good. but i just dont have that kind of money so i was wondering if i could get about that same sound with putting on a new muffler instead of an entire exhaust. that'd be great.

http://www.magnaflow.com/02product/s...ne=all&id=6655
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Unread 09-03-2010, 07:41 AM   #8
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Quote:
Originally Posted by robncar View Post
The only way to get a V8 sound is with a V8. That said, I hope your goal is not volume but rather tone. There's nothing like being behind a loud, droning exhaust all day on a trail ride. A buddy of mine had a Flowmaster 40 and it resonated, in the cab, at a certain RPM range. It just happened to be the RPM range one would be in on the highway. He had it removed and installed a Flowmaster 50. It did not drone and had a nice throaty tone. We have a 7" round stainless steel Magnaflow with our tri-link. It also has a just slightly louder than stock, throaty tone.
I agree. You don't want it to drone. I like my Flomaster Delta 40 which is somewhere between the Flowmaster 50 and 40. The Delta 40 is supposed to be a toned down version of the Flowmaster 40. My Delta 40 has that nice low tone and doesn't drone. However, if you dump the exhaust right after the muffler like I tried once, it will drone and give you a huge headache.
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Unread 09-03-2010, 08:28 AM   #9
SaxManClay
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All I did was change the muffler on mine because like you, I am not made of money. I'll try to get a video clip for you.

EDIT: I just uploaded this. Hope this helps.

http://www.youtube.com/watch?v=2CYh62lzJ8U

Last edited by SaxManClay; 09-03-2010 at 08:35 AM.. Reason: video
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Unread 09-03-2010, 08:33 AM   #10
Jakemd98
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there's a guy in town here that will put a glass pack on a jeep for 30 bucks, reusing your existing everything else. Check around exhaust shops in your area, you may be able to get a deal much like that or at least a flow-master for 50-70 bucks installed.
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Unread 09-03-2010, 08:51 AM   #11
IAmAmerican
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awesome thanks the only thing is, i cant hear the audio on the you tube video.
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Unread 09-03-2010, 11:13 AM   #12
jeepbastard
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i bottomed out and cracked my exhaust pipe after the clamp to the headers.
Now it sounds like a chevy 350.

just empty every pocket. fixing it now.
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Unread 09-03-2010, 12:47 PM   #13
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a lumpy cam will help it sound more like a V8. But that'll probably take away a good bit of low-end power.
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Unread 09-03-2010, 01:03 PM   #14
WILLY348
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Exhaust systems on our jeeps are a complete waste of money. If you want a mean sound.. get a V8. Anything less then 8 cylinders will never ever sound good. I just put a flow master original 40 on.. and thats basically as good as its going to get. Dont waste the money on a magna flow or banks.. that money could be spent much better else where
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Unread 09-03-2010, 01:08 PM   #15
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Here is my setup, Magnaflow high flow cat, and a 2 chamber muffler, similar to flowmasters original 40 series. More vids in my youtube account link.
YouTube - Jeep Wrangler TJ Exhaust 4.0L Flowmaster
YouTube - Jeep Wrangler TJ Loud Flowmaster Exhaust Vid 2
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