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 Post subject: Muffler Recommendations
PostPosted: Wed May 03, 2017 7:23 am 
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you guessed it, web wheeler

Joined: Tue Jan 13, 2015 8:30 pm
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Location: Olympia
Vehicle: 1984 XJ
Need a new muffler for my 2.5L Cherokee. Have an old dynomax turbo right now (wife complains that I wake up the kids every morning when I start it up). Would like to keep a high flow muffler but also be as quiet as possible. Any recommendations?


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PostPosted: Wed May 03, 2017 7:45 am 
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Flowmaster hushpower. I think they've actually dropped the Hushpower name now and just call it the HP2. Smooth and mellow but not loud.

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PostPosted: Wed May 03, 2017 8:35 am 
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you guessed it, web wheeler

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Thanks!


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PostPosted: Wed May 03, 2017 11:22 am 
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Avanteone wrote:
Flowmaster hushpower. I think they've actually dropped the Hushpower name now and just call it the HP2. Smooth and mellow but not loud.

x2

This video is of my old TJ running with a 4.0L running one. Very compact and sound good without droning.


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PostPosted: Wed May 03, 2017 8:40 pm 
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whew, finally
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Is that Dynomax Turbo you speak of the Dynomax Super Turbo? That's the quietest muffler Dynomax makes and is generally considered to be one of if not the quietest aftermarket muffler available from the typical mainstream companies. I don't think you'll do much better without using a stock muffler.

I'm running the Super Turbo and hate how loud it is, but have accepted that it's the best I can do (I want stock noise level, but that just doesn't happen in a 9" x 14" aftermarket muffler that I need in my relocated position).


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PostPosted: Thu May 04, 2017 4:52 am 
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I had a Dynomax super turbo previously but destroyed it on the rocks. I tried a FlowTech Raptor this time and I like it just as much, maybe a little bit more. The Raptor doesn't seem to drone as much as the Dynomax at mid range RPMs and the sound level is just right on a 4.0L.

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PostPosted: Thu May 04, 2017 5:49 am 
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you guessed it, web wheeler

Joined: Tue Jan 13, 2015 8:30 pm
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Location: Olympia
Vehicle: 1984 XJ
Yes I am running the Super Turbo. For the most part I've been pretty happy with it, does have a drone at highway speeds that's slightly annoying. My tailpipe rusted through, I'm sure the muffler, which was installed at the same time, isn't too far from falling apart either. Mostly my wife is annoyed at how loud my Jeep is compared to her Honda CRV... and blames me for waking up the kids every morning at 6:00. They need to be up by then anyways so I feel I'm doing her a service... Mostly I'm going through the motions to tell her I tried to find something quieter... But if there is something better I'll try that instead.


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PostPosted: Thu May 04, 2017 7:14 am 
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We've been using these, and they are a great choice.

http://spintechmufflers.com/

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PostPosted: Thu Jan 03, 2019 12:00 pm 
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whew, finally
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Reviving this one...

Avanteone wrote:
Flowmaster hushpower. I think they've actually dropped the Hushpower name now and just call it the HP2. Smooth and mellow but not loud.


Is this still your opinion or would you go with the spintech or magnaflow? My application is an LQ9 to a single muffler and was thinking about going with the HP2 due to space constraints.

Larry wrote:
We've been using these, and they are a great choice.

http://spintechmufflers.com/


Which one do/would you use on a trail rig? It would be nice to be able to have a conversation with my passengers but also know why I went through all the work for the 6.0 :thumbsup:


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PostPosted: Sat Jan 05, 2019 7:03 pm 
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Fubar73cj5 wrote:
My application is an LQ9 to a single muffler and was thinking about going with the HP2 due to space constraints.


I've got a mildly built LQ9 with a Trent Fab header system and he likes the stainless Borla flow through stuff for both power and sound. It's pretty mild until you hit 4,000 plus RPM.

Larry wrote:
We've been using these, and they are a great choice.

http://spintechmufflers.com/


Fubar73cj5 wrote:
Which one do/would you use on a trail rig? It would be nice to be able to have a conversation with my passengers but also know why I went through all the work for the 6.0 :thumbsup:


I have this on the LJ behind a 4.0 liter, attached at the rear cat and dumping right behind the passenger seat of the LJ. Nice and quiet. It's the 6000 Pro Street, model number 6222 which works well under the cover of the Clayton skid system.

https://spintechmufflers.com/search.php ... on=product

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PostPosted: Sat Jan 05, 2019 7:05 pm 
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Fubar73cj5 wrote:
It would be nice to be able to have a conversation with my passengers but also know why I went through all the work for the 6.0 :thumbsup:


Consider an intercom and headsets for highway use. Completely changes the vibe in the rig. You're not yelling, you're not tired, it's a pleasure to mob down the highway again.

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PostPosted: Tue Jan 22, 2019 1:48 pm 
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whew, finally
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Location: Lake Tapps
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John90XJ wrote:
Fubar73cj5 wrote:
It would be nice to be able to have a conversation with my passengers but also know why I went through all the work for the 6.0 :thumbsup:


Consider an intercom and headsets for highway use. Completely changes the vibe in the rig. You're not yelling, you're not tired, it's a pleasure to mob down the highway again.


Thanks for the feedback. Once the rig is together I'll look into coms as well :thumbsup:


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