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Old 06-07-2013, 07:46 PM   #481
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I didn't see a difference either.

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Old 06-08-2013, 09:29 PM   #482
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My bass is now rattle free so,...it is better.

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Old 06-09-2013, 12:11 AM   #483
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Me either. After several months, I removed it and was amazed how much better it sounded WITHOUT that stuff in there! :-)
Yeah, I took most of it out and noticed an improvement. There's still some in there, just not as much.
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Old 06-09-2013, 02:59 PM   #484
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I filled my sound bar today. Didn't notice any difference on the highs or mids but there was a big difference in the bass. Plus I had a little rattle somewhere in the soundbar and the polyfill seemed to stop the rattle.
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Old 06-09-2013, 04:18 PM   #485
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If you fill the sound bar with helium rather than polyfill it will make the vocals sound like chipmunks.
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Old 06-09-2013, 04:40 PM   #486
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If you fill the sound bar with helium rather than polyfill it will make the vocals sound like chipmunks.
Yes, but tell no one i told you, it's a secret...
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Old 06-09-2013, 05:58 PM   #487
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Just finished doing this mod with my 01 tj with the soundbar only and it does seem to be provide more full sound. Not groundbreaking but a noticeable difference. Cost of a pillow 4.50$ lol
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Old 06-09-2013, 07:45 PM   #488
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Yeah, I think a lot of people mistakenly use polyfil as if it were dynamat or acouostic foam.

We all know plastic enclosures are not great for speakers to begin with, so everyone is looking to get rid of the hollow sound by stuffing the enclosures, but that isn't the purpose of polyfil.

So I'll say this again for those that don't understand.

Polyfill is used to make a speaker driver inside an enclosure operate as though it were in a slightly larger enclosure. This works by slowing down the rear wave of the speaker, which outputs in equal intensity as the forward wave.

Too much polyfil is far worse than too little.
To make it easy, I'll continue to quote myself on the purpose of polyfill.
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Old 06-10-2013, 07:58 AM   #489
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To make it easy, I'll continue to quote myself on the purpose of polyfill.
You can continue to "QUOTE" yourself till the cows come home if you like but, if some say it helps them then, for them, it helps. Plain and simple.
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Old 06-10-2013, 10:06 AM   #490
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only difference i noticed ...was in sub enclosure ...soundwise ....soundbar ...like others just that rattle some of see ...left enough tubing in the sounbar ....for a houka hookup later
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Old 06-10-2013, 10:11 AM   #491
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You can continue to "QUOTE" yourself till the cows come home if you like but, if some say it helps them then, for them, it helps. Plain and simple.
The whole point is to set expectiation.

My "quote" is actually there for the opposite reason you suggest.

The quote is for those who stuffed their speakers full of polyfill, and said it made things worse, or were expecting some major transformation.

It isn't a magic material that is going to make your JK sound like a $10,000 home audio sysem....it simply makes the woofer act as if it is in a slightly larger enclosure, this usually produces deeper bass. A side benefit "could" be dampening some of the plastic accoustics, but that isn't what polyfill is made for, and stuffing an enclosure with polyfill to dampen the plastic sound will negate the actual purpose and impact of polyfill.
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Old 06-10-2013, 10:15 AM   #492
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The whole point is to set expectiation.

My "quote" is actually there for the opposite reason you suggest.

The quote is for those who stuffed their speakers full of polyfill, and said it made things worse, or were expecting some major transformation.

It isn't a magic material that is going to make your JK sound like a $10,000 home audio sysem....it simply makes the woofer act as if it is in a slightly larger enclosure, this usually produces deeper bass. A side benefit "could" be dampening some of the plastic accoustics, but that isn't what polyfill is made for, and stuffing an enclosure with polyfill to dampen the plastic sound will negate the actual purpose and impact of polyfill.
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Old 06-10-2013, 10:15 AM   #493
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only difference i noticed ...was in sub enclosure ...soundwise ....soundbar ...like others just that rattle some of see ...left enough tubing in the sounbar ....for a houka hookup later
Yup and that is exactly what you are supposed to notice. Polyfill's purpose is used for sub enclosures. You might be able to get a little benefit out of the front pods since they are 6.5's in basically a sealed enclosure, but I don't think they get enough factory power to benefit from it anyway.
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Old 06-10-2013, 12:47 PM   #494
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You can continue to "QUOTE" yourself till the cows come home if you like but, if some say it helps them then, for them, it helps. Plain and simple.
It's mostly due to the placebo effect, but if they're happy, that's what counts.
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Old 08-01-2013, 11:05 PM   #495
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The 77KICK10's I just received included an updated installation sheet I had not seen before:

Kicker 77KICK10 11-13 JK installation.pdf
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Old 03-14-2014, 10:55 PM   #496
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I stuffed a bunch of polyfill behind my air filter since it is also in a hollow plastic box. I'll be sure to post up how much horsepower I gained once I test it out...
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Old 03-15-2014, 12:57 AM   #497
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Originally Posted by panthermark View Post
The whole point is to set expectiation. My "quote" is actually there for the opposite reason you suggest. The quote is for those who stuffed their speakers full of polyfill, and said it made things worse, or were expecting some major transformation. It isn't a magic material that is going to make your JK sound like a $10,000 home audio sysem....it simply makes the woofer act as if it is in a slightly larger enclosure, this usually produces deeper bass. A side benefit "could" be dampening some of the plastic accoustics, but that isn't what polyfill is made for, and stuffing an enclosure with polyfill to dampen the plastic sound will negate the actual purpose and impact of polyfill.
This is true, but you forgot the most important part. The poly does make it act as a slightly larger enclosure but this effect reduces the rattle in the sound bar, which is the only reason to fill a Jeep soundbar, to reduce the rattle. It will not give you any other sound benefits if that is what you are after.
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Old 03-15-2014, 07:13 AM   #498
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It will not give you any other sound benefits if that is what you are after.
Untrue. It's not as dramatic as people claim, but there is a small benefit.
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Old 03-15-2014, 09:23 AM   #499
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Will this help with the annoying vibration coming from the bar? I have discovered that if put my hand on the back/top of the sound bar it doesn't vibrate. I took it into the dealer and told em' I swore it was a bad speaker!
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Old 03-15-2014, 09:34 AM   #500
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Will this help with the annoying vibration coming from the bar? I have discovered that if put my hand on the back/top of the sound bar it doesn't vibrate. I took it into the dealer and told em' I swore it was a bad speaker!
My sound at rattled and sounded like shit the first week I had my '13 JK. The back right stock speaker blew after 3 days, after replacing the speakers with the Kicker replacements, discovered there was still a weird rattle. Took it in, discovered the sound bar was loose.
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Old 03-15-2014, 12:30 PM   #501
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Polyfill made my aftermarket speakers (Pioneers) come alive! What a huge difference! For those that say it did nothing, you really have to pack it tight!
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Old 03-15-2014, 12:49 PM   #502
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My sound at rattled and sounded like shit the first week I had my '13 JK. The back right stock speaker blew after 3 days, after replacing the speakers with the Kicker replacements, discovered there was still a weird rattle. Took it in, discovered the sound bar was loose.

I'll check that, thanks. Rattle goes away if I hold the dome light. So I'm guessing it's the dome that's causing the noise
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Old 03-15-2014, 12:50 PM   #503
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X2 on the dome light rattle. I wrapped a Velcro strap around it. Helps a little but still is annoying.
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Old 03-15-2014, 01:01 PM   #504
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I stuffed my sound bar yesterday and it does sound better. I also stuffed the subwoofer enclosure and I noticed that the bass decreased a lot. I removed the poly fill from the subwoofer but I left it I'm the sound bar and it sounds great
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Old 03-15-2014, 01:57 PM   #505
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I'll check that, thanks. Rattle goes away if I hold the dome light. So I'm guessing it's the dome that's causing the noise
I had the same issue and it drove me nuts after several attempts to remedy it! The solution I found finally worked was to pack the area above the light with polyfill very densely. Then I placed a piece of fabric between the light and polyfill. Now there is enough tension on it to keep it from rattling.
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Old 03-15-2014, 04:17 PM   #506
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Done.....the bass buzzing off the plastic sound bar is now gone.....was it was worth cutting open an old pillow and 20 minutes of my time
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Old 03-15-2014, 07:38 PM   #507
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Filled mine with road apples and cow pies, now my music really stinks.........

I really am sorry I couldn't help it
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Old 03-23-2014, 03:51 PM   #508
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YouTube how to link


http://youtu.be/SHwsxUPABLY
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Old 03-31-2014, 06:41 PM   #509
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YouTube how to link

http://youtu.be/SHwsxUPABLY
Pretty sweet! Anyone found a video for the front speakers?
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Old 03-31-2014, 06:59 PM   #510
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Pretty sweet! Anyone found a video for the front speakers?
You can find several dash removal videos on YouTube that include getting to the dash "buckets". I did mine with the Crutchfield instructions that came with my speakers. The difference in sound is amazing!

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