Dynamat Xtreme Sound Deadening Car Insulation Mega Pak 10465 – Noise Dampening for Floor, Doors, Panels, Hood or Trunk – Easy Self Adhesive Install – Made in USA – 9 Sheets 24”x48”, 72 sq ft total
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This item is eligible for return within 30 days of receipt
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Availability:
In Stock.
Arrives
Thursday, Mar 12
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Style: Mega Pack
Features
- Reduces Unwanted Noise, Heat & Vibration: Dynamat Xtreme reduces road noise, stops speaker distortion, and blocks resonance & vibrations; use it on doors, floors, panels, hoods & trunks
- Trusted by Car Lovers & Professionals Alike: Dynamat is used by the worlds top hot rod & custom builders because they know it makes their cars ride cool & quiet
- Xtreme Mega Pak: This pack contains 9 extra-large 24x48 sheets of Dynamat Xtreme, a total of 72 sq ft of coverage
- Thin, Flexible & Easy to Cut: Installing Dynamat Xtreme couldnt be easier thanks to the simple peel-and-stick application; our extra sticky proprietary blend of butyl rubber adheres to a surface & stays in place
- Made in the USA Since 1989: Dynamat is the original & most trusted name in soundproofing & heat control; our products are the first of their kind, and are always made at our headquarters in Ohio
Material: Rubber
Brand: Dynamat
Coverage: 72 sq ft
Item Thickness: 0.07 Inches
Product Dimensions: 48"L x 24"W
Global Trade Identification Number: 56
Manufacturer: Dynamat
UPC: 769103104656
Model: 10465
Item Weight: 35.2 pounds
Product Dimensions: 53 x 25 x 2 inches
Country of Origin: USA
Item model number: 10465
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 10465
OEM Part Number: 10465
Voltage: 0.1 Volts
Date First Available: November 12, 2009
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Mar 12
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Hex Pack
I bought a Fluance RT83 turntable for my adult granddaughter (she's new to vinyl). The thin aluminum platter rang like a bell when I tapped on it with my knuckle, not good. So I found this Dynamat Xtreme Sound Deadening material and cut and applied it to the underside of the bell, I mean platter. Wow this stuff did the job. Now all I get is a dull thud when I knock on the platter. After cleaning the platter with Acetone, the deadening material sticks really well. I'm going to keep the left-over piece to dampen amplifier cases etc. Two thumbs up Dynamat.
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Reviewed in the United States on May 24, 2025 by Antos Antos
Style: Installer Pack
Perfect transaction and product.
Reviewed in the United States on July 3, 2025 by Joseph Garrido
Style: Bulk Pack
I bought two boxes of the 18/32". I covered 100% of my entire floor pan and rear wall in my 2012 Tacoma and still had 2 and half sheets left. My tires are the BFGoodrich All Terrain KO2's, which make it difficult to have medium volume level conversations at 65 MPH. After installing the Dynamat, I'm now able to have more comfortable conversations on the HWY and softer conversations on surface streets. It not only made a difference in attenuating road noise, it increased the bass response in the cab, so much so, that I had to turn the Bass EQ down. I even notice the bass in my voice was more apparent. The reduction in road noise did not bring it down to luxury level, but as a truck owner with off-road tires, it's a welcome upgrade and well worth the money. It took two, six hours per day to complete with two people doing a premium job. Don't forget to pay attention to the bolt hole...lol FYI: The metal rollers, 1.0 and 1.5 work best. Those green rollers are lighter, so you have to press a little harder and they as so, don't grab the Dynamat as well.
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Reviewed in the United States on March 3, 2025 by Paul M.
Style: Bulk Pack
I did quite a bit of research before deciding on Dynamat. There are some cheaper competitors that people swear are just as good and they may be, but I just don't trust them as much. If you do your research you will even see that some people chose to use roofing material that you can buy at Home Depot. Someone would have to be OUT OF THEIR MIND to put $20 worth of roofing tar into a $20,000+ vehicle. The only negative thing people have to say about Dynamat is that it is priced high, but if you buy the bulk packs on Amazon you will save yourself a ton of money and is actually a pretty cost effective solution for DIY work. I have looked around and Amazon has the best price anywhere. Main competitors and my impressions of them. I have not purchased or used these product, but this is an idea of why I chose Dynamat over them. I am not a car audio professional by any means. This is the first time I used deadening on my car and I am writing this to help anyone else who is thinking of doing this. 1) RAAMAudio RAAMmat + Ensolite Foam - Most cost effective "legitimate" option. 2) Sound Deadener Showdown - "CDL Tiles" + Mass Loaded Vinyl. SDS would be an interesting choice. If you look through forums you will see some people who really like this stuff, but I found the website to be confusing and I could not truly make an informed decision one way or another. 3)Fatmat: Cheapest of all automotive dampeners, but one Google search of "fatmat smell" is all you need to know. Some say it smells awful and some don't, but there is no chance I risk it. This stuff is super cheap, does not deaden as well as competitors and stinks. I would use home depot roofing material before this product. Move on. And to the "REAL" competitor. 4) Second Skin Audio- Damplifier Pro + Closed Cell Foam (CCF)- Although I decided on dynamat, based on reviews and forum comments, I think that Second Skin Audios product line may in fact be superior to Dynamat, but I decided against it for a few reasons. Damplifier Pro is a good bit heavier than Dynamat extreme. For most, this isnt going to make a huge difference, but I am lining a performance car with more emphasis on performance than sound. I want an improved sound system, but if the increase in weight is only going to improve things very minimally it is just not worth it to me. A lot of people say that Dynamat is the most expensive, but a 36 sq. foot pack of Damplifier pro costs $204+ shipping. They do have some coupons occasionally, but it is more expensive. The fact is Dynamat is proven to work and is trusted by professionals. I do not think you can go wrong with Dynamat because the only bad thing people have to say about it is that the price is high which is a bit of a myth. If you drive a big truck or SUV, want the absolute best sound and aren't as concerned with weight, I would think about the 80sq foot Damplifier Pro shop pack and CCF foam. I turned my trunk into a enclosure with Dynamat Xtreme. I lined just about every surface, doubling up in a few critical areas and was able to line my trunk with this kit. If you want to really go out and line an entire car, you will need 100 sq ft+ of this stuff. If you are doing the trunk and doors like me, you'll need 50-80 sq feet depending on whether or not you plan to cover the entire door. I would use the bulk kit for anything but the doors. You can surely use the Dynamat in the bulk kit on the doors, but the door kit strips 12" x 36" and make for a cleaner install because they will run the full length of any door. It would not be the end of the world to have extra, but I would try to make a good estimate of how much you will need so that you arent leftover with a whole box of this stuff. One final recommendation as I try to unload all of the information I have learned. Dynamat claims that you do not need a heat gun to install Dynamat Extreme. That may be true, but after using a heat gun to put the finishing touches on the trunk, I would have to strongly recommend using a heat gun for trouble areas and difficult corners. I was able to put the Dynamat down so much flatter and nicer by heating it up a bit and rolling it down. it especially helps to heat corners and tight spots where you cannot get the roller in, because it makes it easier to mash the Dynamat down with your fingers. I am not going to use the heat gun on the doors however, as I believe that there are more heat sensitive components in there and do not want to chance it Dynamat claims it is not a necessity. I plan on using Dynaliner on top of the Dynamat in the doors (and trunk I think) as well as by itself in a few areas. I really hope this helps someone. If you have anything to say about my opinions, or would just like to comment on what I have done, please let me know.
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Reviewed in the United States on May 6, 2014 by Michael Maryland
Style: Installer Pack
absolutely, the best material you can get for sound deadening... this was an easy install as well. It's exremely sticky to the floor of the jeep and works well with carpet installs and hook n loop tape for your carpet. the thickness is slim so it does not cause a problem for your seats and trim pieces to fit...
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Reviewed in the United States on May 6, 2025 by Bodean73g Bodean73g