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Old 09-23-2009, 08:37 PM   #1
TheShadowWRX
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Join Date: Oct 2001
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2002 WRX Sedan
WR Blue

Default Sound Deadening Whole Car

Hey Guys,

So I've been doing a lot of research into doing some sound deadening to my 02 WRX. After talking to different folks, I think I've decided on going with Second Skin for all of the products. I plan on doing one layer of Damplifier Pro or SPL Tiles on the outer skin of the doors, and then a layer of Luxury Liner Pro on the outer skin.

For the floor boards, I think I am going to do the same or use their Spectrum Sludge product and then put a layer of Luxury Liner Pro over that...

Does anyone have any first hand experience with their products or doing something similar to this? I think it will really make the car feel a whole lot different inside.


-Mike
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Old 09-23-2009, 08:46 PM   #2
CKxx
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Your BOV sounds lame
93 RX7+09 Forester

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Uhh...I think it will make the car feel a lot heavier.

EDIT: I apologize, I didn't realized I was in Interior/Exterior.
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Old 09-23-2009, 09:22 PM   #3
TheShadowWRX
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...

I don't think it would add too much weight - but maybe you are right... Might make more sense to juts use the luxury liner on the floor. How much weight do you think I could add to the car in this manner before it would really mess with handling characteristics? I don't think this would end up weighing much more than 50lbs... Could be totally wrong though.


-Mike
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Old 09-23-2009, 10:09 PM   #4
kwan_1104
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I just used the Luxury Liner Pro on my car and that stuff is HEAVY and THICK.

They dont mold into curves/ shapes too well.... for the floor pan or flat surfaces, its fine, but for any concave/ complex surfaces, its tough... since they are so heavy sticking it to vertical surfaces is also tough as they keep falling off.

Also, they dont fit into tight spaces too well since they are so thick.

I did the transmission tunnel and the floor (from the gas pedal to bottom rear seat)
Took me ~ 4-5 sq feet. When I recieved the package, i couldn't even move the box.

My advice to you is Installation is KEY. If you aere going to do it, do it right, if not you will not notice any difference. (dont ask me how i know ) Strip the interior COMPLTELY and seal the cabin best you can and don't leave any gaps at all if not, noise is just gonna go through the gaps into the cabin....
Doing just the floor wont make any difference, its best to do the whole car.
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Old 09-23-2009, 11:17 PM   #5
Uncle Scotty
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there are threads on this kind of thing

there are several areas that seem to make the biggest difference and one thing that most people dont realize is that the tires are the biggest problem and making SURE that your toe is set to '0' so that the tires dont feather edge and get loud is one of the biggest things.....that and buying tires that arent prone to get loud.

also...the trunk carpet area....behind the rear seat and the trunk lid underside are often overlooked
I cut a piece of hice, heavy carpet for the trunk and put another piece on the rear seatback for my 02 and just doing that was
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Old 09-23-2009, 11:33 PM   #6
barkingsquirrell
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If you only install it on the single layer metal it works better
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Old 09-23-2009, 11:41 PM   #7
TheShadowWRX
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Thanks for the input guys, I wasn't aware at how heavy luxury liner pro was.

I think I'll do a complete layer of that on the floor, over the rear seats, and into the trunk.

Scotty: Great idea on doing the back of the rear seats, I wouldn't have thought of that. I need to replace my fabric trunk mat anyway, maybe I'll make my own out of some heavier carpeting. I will also have the toe checked at some point.

For the doors, I will just do the damplifier pro on the outer skin and the luxury liner on the inner skin...

In regards to the front of the car, any recomendations on where to put it? I can go up behind the pedals so I suppose but I don't want to take out the whole dash.

Also, I've read that a lot of people had great results doing the roof - should I do that with Luxury Liner Pro or Damplifier Pro?

I have seen other treads on this type of thing, but I really wanted to steer this in the direction of Second Skin products and peoples experience with them. I plan on doing a full DIY when I get everything to try reduce the # of the threads on this and have a good guide. I want to make it as complete as possible so I'd love as much input and advice as possible while I plan this out.

Anything else you guys can think of??


Thanks Again,

Mike
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Old 09-23-2009, 11:45 PM   #8
Uncle Scotty
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another HUGE source of noise is the plugs in the firewall....if any of those are missing.....put them back in!!!!!!!!!!!!!!!
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Old 09-24-2009, 12:32 AM   #9
TheShadowWRX
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Quote:
Originally Posted by Uncle Scotty View Post
another HUGE source of noise is the plugs in the firewall....if any of those are missing.....put them back in!!!!!!!!!!!!!!!
I'd be willing to bed a lot of those are missing...


-Mike
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Old 09-24-2009, 09:57 AM   #10
ProjektPhoto
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Quote:
Originally Posted by TheShadowWRX View Post
I'd be willing to bed a lot of those are missing...


-Mike
I know the big one behind the gas pedal is missing in my car I'm just too lazy to get underthere and replace it.

I lined my whole trunk with the Cheap Seam Sealer from home Depot and it made a huge difference. prolly going to remove the seats, carpet and headliner when it cools off more and line the underside of the roof and floor as well as insid ethe doors.
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