How To Install Sound Dampening in a Car | NVX Audio & Mitsubishi Evo 9

How To Install Sound Dampening in a Car | NVX Audio & Mitsubishi Evo 9

Learn how to install Sound Damping (like Dynamat) in your car. In this installation video, Allyn Rahim installs some NVX sound dampening in the trunk of a 20…

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neilpark2 says:

so pick some up :p

Cody Hodgson says:

Go for a ride in a neon then in a beamer or benz. It not only reduces unwanted noise but changes the whole driving experience. I have triple layers top to bottom in my whip its amazing

DJ Feli says:

how much are them?

Sonic Electronix says:

Sound dampening prevents rattling in your vehicle which interrupts your music. It also quiets the interior of your vehicle, making it sound better inside.

DJ Feli says:

i wounder why would you need those? can someone tell me?

johnnyanglen says:

Some of the dimwitts in my neighborhood need this. Im tired of hearing their rattling and no bass.

CIC03303 says:

Real quality video, thank you

J3TPILOT1991 says:

BAHAHAHHAHAHAHAHAHA, you are so fucking STUPID. AHAHAHAHAHAHAHAHAHAHAHAHA, your comment makes no sense. Go back to school and stop making a fool out of yourself.

Al Bundy says:

rear view mirror moves cause the joint is probably worn. new ones are stiff. you can get another mirror assembly cheap at a junk yard.or discount auto sells mirrors. one screw slides off the complete mirror in most cases.or u could try a rubber band wrapped on the joint.(make it stiffer) take off mirror to do easier. dont put dyno on mirror.

b1kshad0w says:

I used Loctite small. If you use one of the higher ones, you won’t be able to ever get the screw back out.

Byron Clarkson says:

you also could put some on the inside of roof but its not going to solve the issue, just help it quite a bit

james smith says:

Dumb people should even buy this car in the first place.

Sonic Electronix says:

The only thing you can do is wait for a deal, save up your money, or buy it in small sections over time. It is not just foil and glue, it is a special butyl rubber with adhesive that has to withstand extreme temperatures and stay attached to your vehicle. Additionally, it must also not smell when it gets hot or become liquid and change position. If you go to a hardware store and find cheap sound deadening material, it will not give you the same results.

JOSH JONES says:

is there any sound damping material that I can buy on minimum wage? because the stuff on your site seems way too expensive for some glue and foil…

WilliamSim92 says:

This Evo is heavy… people driving an Evo become more light and light…
but this people driving an Evo become heavy and heavier..lol

roflitsjosh says:

My old 300rms sub and even my stock speakers both vibrated it badly. I’m thinking this might have to do with some loose screws. I’ll check it out tomorrow

Sonic Electronix says:

Some people will never be able to use a rear view mirror again due to intense bass. You can try to rig it into place and hold it there with glue, tape, or mounting brackets. Your call on what you wish to do. 😛

roflitsjosh says:

It might have to do with the fact that I have a small toyota echo but I only have an RE Audio SEX12

Sonic Electronix says:

You could apply some sound deadening to the back of it, but that will only stop the rattling a small amount. Make sure it is screwed all the way in. In most situations, the bass simply is too powerful and unless you have it permanently held in place, it will always come loose at some point.

roflitsjosh says:

I need a tip. For starters let me say that I installed dynamat in my two doors (only have two) and in the trunk lid and side of trunk where it was vibrating. My car sounds so much better and you can’t really even hear any rattling.

However, my rear view mirror instantly angles toward the floor when my bass hits and it vibrates and i can hear the noise from it. Is there anything I could use to stop it from moving

roflitsjosh says:

bass is cleaner because you don’t hear your car vibrating

Sonic Electronix says:

It should be relatively warm when installing any sound dampening material to make sure maximum adhesion. If it’s hot, it tends to become more tacky and sticks better.

brent anderson says:

yes it should if your only doing 1 all around. if your doing more then that i would say you might need more.

Ryan Morrow says:

Does the temp of my trunk have to be at a certain temp before installing NVX sound dampening material? Does anyone know?

Sonic Electronix says:

There is no way for us to tell, it is always advised to buy an amount, and then buy more if you need it.

tony guerra says:

will a a pack of 9 sheet 18″x32″ be enough to cover the whole the trunk of my 1998 honda civic?

Sonic Electronix says:

A lot of people will cover the entire trunk top to bottom. However, depending on your needs, that could be overkill. If you get vibration in that area, then cover it. If not, then no need to cover it unless you want to reduce road noise.

roflitsjosh says:

should you also put dampening under the mat in the trunk?

es990550 says:

Will u still feel the bass like u would without this stuff

Sonic Electronix says:

Its objective is to stop vibration and thus reduce rattles. It does block out some road noise as well if you use it all over. Take an empty soda can, place it on a table, and tap it with a spoon lightly. Now, hold the can with your fingers lightly and tap it again with the spoon. Notice how it no longer has that “tinny” sound? Now cover the can with your entire hand and tap on it, it now sounds even more different. Same applies for vehicles. Foam is meant to be used on top of sound dampening.

Sonic Electronix says:

That depends on how much output your subwoofer enclosure has and the material of the door skin. The more output your subwoofer produces, the thicker deadening you need. Some installs use many layers.

TheBiggVan says:

is 50 mil thick enough for audio deadening?

TheBiggVan says:

eBay got 50sqft for $70

monotupappi831 says:

Jiffy seal works as good of sound damping
Or even better actually all you need is two rolls about $50 and a can of gap filler insulating foam for the gaps and your set save your money be smart my audio shop thought me how to do it and trust me my car sounds better than my friends car full of dynamat I get complements in audio competitions on my rattle proof jiffy seal don’t be a fool and go for the brand stuff at the end of the day they sound the same but your wallet won’t be empty

Paul Son says:

but it just looks like a sticker with aluminum! Wouldn’t it be better to use like foam? glue the foam onto the truck or shove it into the crevasses? foam absorbs more sound right? What is the point of doing that? I’m confused. since it’s so thin, why and how does it work so well?

C0BURN1234 says:

Thiught he worked for sound man

Doug Dale says:

The Jiffy Seal is nowhere near as thick or heavy as the dampening material intended for car audio. By time you build up enough layers of the Jiffy Seal you’ll end up spending more then it would of cost to just get the good stuff.

slinky211 says:

i wish i had an evo 9

Sonic Electronix says:

Actually, there is a huge difference between dampening material and gap filler or weather stripping. Gap filler is great for filling hard to reach areas of trunks and in awkward panels, but dampening material is much more effective for effectively reducing the resonant frequency of a metal panel.

monotupappi831 says:

actually theirs a cheaper way on doing this i first bought fat mat for $50 for 10 yards which is pretty good compared to othe prices but then my audio shop showed me a cheaper way all you need is at your local home depot first you need a bottle or two of Big Gap Filler Insulating Foam Sealant that you use to spray it into holes or gaps in your trunk then you buy a roll of Jiffy Seal Waterproofing membrane that works the same as sound damping you can get a roll for $25 that’s enough for a trunk

himamericafan says:

It makes me sad now that I see him here. Wish old times with Allyn, Spoon, and Doug were back.

TheMrFNG says:

is this the same guy from amplified?

vitobasser says:

I wish it was that cheap in the UK!!!

SweDXxKushxX says:

@William Jaudon yea i have one to like.idk how the hell we would do that lol

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