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-   -   Best sounding muffler for a YJ? (http://www.jeepforum.com/forum/f12/best-sounding-muffler-yj-1523065/)

justinmarr 05-13-2013 10:00 PM

Best sounding muffler for a YJ?
 
Im looking at the Flowmaster 40 series or the Super 44. All I'm looking for is a bad *** sound. I've got a 4.0 w/Headers so far Thanks:cheers2:

Relicmoto 05-13-2013 10:39 PM

Thrush turbo 2. Comes in two flavors, welded, or rolled. About $30 for rolled, $50 for the welded. Not as loud as the flows but deep rumble. People notice. Couple bonuses here...you just saved some bones for a awesome exhaust tip. In addition, a quieter muffler will make fewer people look at you, and in turn all jeep enthusiasts, in disgust. If you do any off road terrain a $50 muffler hurts a lot less when that sharp rock or loose branch you didn't see on the log you just drove over smashes it.

jeepyj13 05-14-2013 12:52 AM

Quote:

Originally Posted by justinmarr
Im looking at the Flowmaster 40 series or the Super 44. All I'm looking for is a bad *** sound. I've got a 4.0 w/Headers so far Thanks:cheers2:

I have a flow master 40series on my yj. 4.0 and it sounds bad*** at least to me it does.

befumo 05-14-2013 04:42 AM

Post videos guys. Damn.. i want to hear!

Bonus point for a 4.2

Reno72 05-14-2013 12:45 PM

I have Flowmaster through Borla headers and it sounds much better, but still a little high for my taste. I wish it was a V8, nothing you put on the 4.0 will give it that low rumble of a big block motor, I love the sound of my flowmaster on my 2500 HD.

zeus87gn 05-14-2013 04:33 PM

I have a FM 40 series on my 87 with the 4.2
Single inlet, dual outlet with dual pipes to the back corners - all 2-1/2" pipe
Nice deep throaty sound - I've received a multitude of compliments on it
But this same muffler on our 92 with a 4.0 sounds nothing like it
It's quieter and smother sounding than my 4.2

bgredjeep 05-14-2013 04:40 PM

I installed a new exhaust in my wife's YJ a while back. Used a Dynomax Ultra Flo welder muffler and it sounds pretty good IMO. Here are a couple videos I found of YJs with this muffler. The last video is my wife doing a drive by while I was teaching her to drive the Jeep.

https://www.youtube.com/watch?v=CHxGvkzkGDQ

https://www.youtube.com/watch?v=idUmGJQvOQY

https://www.youtube.com/watch?v=PExyj2aiSfQ

JeeperDon 05-15-2013 07:35 AM

Quote:

Originally Posted by justinmarr (Post 15429984)
All I'm looking for is a bad *** sound.

Save your money for college.

Shapes04wj 05-15-2013 09:46 AM

I have a flowmaster 40 on mine IMO it sounds great, just like a 4.0 is supposed to sound.

roadyrob 05-15-2013 10:50 AM

I have a magnaflow xl on my 4.2, cat and muffler are 2 1/2" the larger pipe gives a deeper sound. a little loud but I like it. had a guy ask me if it was a V8.

jserna 05-15-2013 04:47 PM

I have a gibson, nice deep sound. Just loud enough.

jameslinn83 05-15-2013 05:16 PM

The quietest one you can find, six cylinders never sound good loud, only v8s sound good piped. In my opinion... However as we all do, do what makes you happy.


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