DynamatXtreme Sound Deadening Car Insulation Trunk Kit 19405 – Pre Cut Noise Dampening to Help Your Subwoofer Perform – Easy Self Adhesive Install – Made in USA – 5 Sheets 18”x32”, 20 sq ft total

I just fully restored the interior of my foxbody Mustang. Between the supercharged motor, full exhaust, and very firm racing suspension, the car is LOUD inside and out. After stripping out the entire interior and trunk down to bare metal, I first applied a Foxbody coupe specific matched Dynamat kit from Late Model Restoration. But there were a lot of flat metal panels left untreated, and flat panels are what tend to vibrate the most. So I got a couple of these generic Dynamat kits to cover more area. Overkill? Maybe. But considering how loud the car is to begin with, I figured it couldn’t hurt anything but my wallet (this stuff isn’t cheap, haha) and maybe the penalty of added weight (so what, it’s a light car with over 670 HP and nearly the same in torque, so what’s an extra 75 or so lbs of sound dampening?). Note, I also used this material to repair and reinforce the plastic/carpeted trunk pieces which were cracked from years of abuse, and are almost impossible to find now. I can sat that even with half the interior still out of the car, the reduction in Noise and vibration is noticeable. The car is still loud as hell, but to a lesser degree and the exhaust drone isn’t as palpable. So while not cheap, this stuff works, and is very easy to apply. Just make sure the surfaces are cleaned and degreased, that you have a little roller tool to flatter out the surface, and be careful because the aluminum edges are sharp.

I was told by a friend to try this on the backside of my electronic dartboard to cut down on the noise it makes when the dart hits the board. I was amazed by how much quieter it is now. I just out it on the backside and cut around the edges and it works great.

Packaging: Shipped in a Amazon brown box. The contents were in a branded DYNAMAT box very tightly folded.Product Impressions: The materials come pretty tightly packed. I recommend taking it out the night before a project to let it "straighten out" before install as that helped me install easier. The material was easy to install and cut up. I used literally every square inch of it on my 4 doors of my Camry Hybrid. It's weird to barely hear any road noise from the doors and just hear the wind going across the glass but hey, it means its doing its job! In my opinion, if you want a budget buy/build, look up the "bell" metaphor for this as you're going to pay a pretty penny to do all 4 doors of your car with this covering the whole door. I did patches and it appears to work the same. Watch YouTube videos and see what people say for your car! If you get any of the tar-like on any tools, I tested Goo-Gone on it and it removed it quite nicely.Usability: Works great on CLEANED metal frame of my Camry Hybrid. Use isopropyl alcohol to clean the surface first!Overall Thoughts: Great price, easy install, backing DID make a nice difference for my new speakers. Note your car doors will sound differently closing and will be heavier.

I was a little hesitant and skeptical about how well this would work, so I did an experiment. I installed the front door speakers I bought elsewhere (Kicker 46CSC674's) before I installed the Dynamat. I took a quick drive after that and while they sounded better treble-wise compared to the factory speakers, there was not a lot of bass like I was expecting. At that point, I took the plunge and installed the Dynamat, put everything back together and took another drive. Wow! The bass was back and better than without this installed! A couple of weeks later, I did the rear door speakers (another set of Kicker 46CSC674's) and now I can actually hear the back speakers. The factory speakers were probably blown (at least one in the front and one or both in the back). Same results there! Fantastic bass response with this installed.I can't speak for other brands of sound deadening material, but after installing this kit in the front and back (required 2 kits of course!), I am sold. I did not buy the roller they advertise and instead used the back end of a screwdriver like several other reviewers mentioned. That worked out quite well and was able to smooth things out pretty easily. If you are replacing speakers, by all means pick this up, as it will help with your bass response.