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Old 10-14-2014, 10:10 AM
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Anyone Dynamat their whole Jeep?

Anyone Dynamat their whole Jeep? Not so much for their audio system but for a quieter ride. Just trying to gauge if it's worth covering the doors, floor and area behind the dash with dynamat to lower road noise. Thanks.

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Old 10-14-2014, 10:13 AM
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Re: Anyone Dynamat their whole Jeep?

How much quieter do you want? Mine is super quiet. Hard to believe it's an SUV.
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Old 10-14-2014, 10:21 AM
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Re: Anyone Dynamat their whole Jeep?

Do you mean yours is super quiet with or without dynamat?

At highway speeds it seems to be a bit loud.

How much quieter? Just enough where it's an obvious noise reduction. Like I rather not spend the money if it won't be a distinguishable difference in road noise.
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Old 10-14-2014, 10:46 AM
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Re: Anyone Dynamat their whole Jeep?

My Summit is virtually silent at highway speeds...one of the quietest vehicles I've owned and comparable to the Chrysler 300 I owned a number of years ago in that respect.
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Old 10-14-2014, 11:02 AM
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Re: Anyone Dynamat their whole Jeep?

Found this. Pretty interesting test they did with the dynamat.

Video: Reducing Road Noise with Dynamat

Jeep is in the shop getting a new sound system so I'll re-evaluate once I have her back. They said about $600 to sound dampen everything.
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Old 10-14-2014, 06:50 PM
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Re: Anyone Dynamat their whole Jeep?

Greetings,

One the best things Jeep did was the front door glass on both driver side and passenger side has a thick glass in a form of a lami. This helps reduce noise and improves the frequency response of the the tweeters. The firewall has a thicker blanket of material compared to other vehicles. Hopeful, at the factory they got every screw in to screw the front dash so it does not rattle.

I know that some parts of the doors are so tight, it might be hard to get full coverage. The key areas are around the speaker locations. Create a baffle and eliminate the vibrations will create the decoupling effect needed to lower the decimal level of interference and produce a better frequency response.

Best for now.
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Old 10-14-2014, 07:11 PM
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Re: Anyone Dynamat their whole Jeep?

My 2014 Overland is really quite at high and low speeds. I could not image it being any better. Out of all the Grand Cherokee's I have even had, this one is so quite you could put a baby to sleep at 100 MPH.
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Old 10-14-2014, 07:30 PM
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Re: Anyone Dynamat their whole Jeep?

I recently drove down to AC with my wife and was doing a steady 75-80 the entire ride throuh NJ and i have zero complaints about road noise or wind noise for that matter.

The only car i've ever added dynamat to was my '02 Audi S4 Stage 2 twin turbo. Granted i had gutted down pipes, 3" borla catback, CAI and 93 oct tune... adding dynamat to just the doors alone basically eliminated any outside road/wind noise at speed. The flooring in that car had super thick padding below the carpeting. So noise from below was never an issue.

Im all about dynamat...coming from 5+ years installing car audio, but i think it would be a waste of money and time in a WK2. I will however install some behind the JL Stealth Box more as a preventative measure to avoid any type rattling from the extra bass.
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Old 10-15-2014, 07:14 AM
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Re: Anyone Dynamat their whole Jeep?

What year do you have? Regardless, if you're on the stock tires, there is room for a LOT of improvement.

Forteras are roughly $130 per tire....that's dirt cheap for a 20" tire and you get what you pay for.

i'm looking forward to getting michelin LTX MS2's and I know the ride will get better. They are one of the quietest tires i've ever had.
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Old 10-15-2014, 11:21 AM
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Re: Anyone Dynamat their whole Jeep?

The noise you hear are the tires. The WK2 is a quiet vehicle. Dynamat is over-priced, and wouldn't do much for blocking outside noise. You'd want MLV for that. Read here:

Welcome to Sound Deadener Showdown | Sound Deadener Showdown
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Old 10-15-2014, 02:25 PM
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Re: Anyone Dynamat their whole Jeep?

Thank you for the feedback everyone. I ended up giving them the ok yesterday. They'll be using something called hushmat. It'll only be an extra $600. It sounds like I may just be being overly picky.

I drive a 2012. Tires are still fairly new. Every once in a while I get a nail in them that can't be fixed and since they talked me into the tire warranty it's been a free replacement each time. It's paid for itself at this point. When they need to be replaced I will for sure look into different tires.
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Old 10-15-2014, 04:07 PM
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Re: Anyone Dynamat their whole Jeep?

Let us know how it turns out!

New or not, tires will be one of the top culprits of a loud ride. it's not so much the age as the compound and the tread design itself.

Agreed...no reason to get rid of perfectly good tires though...you'll notice a BIG difference when that times comes!
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