What Do You People Use to Stop the Rattle? - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 14 (permalink) Old 10-27-2009, 03:49 PM Thread Starter
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What Do You People Use to Stop the Rattle?

added 2 memphis 10's in a ported box and holy crap it sounds like my trunk is about to shatter. i turned the subs around and let them fire into the cab and it still does it, just not as bad. the spoiler isnt loose or anything, anyone use fatmat or anything?
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post #2 of 14 (permalink) Old 10-27-2009, 04:07 PM
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dynamat is a way to start. I didn't need any when I got mine put in, but now I do. They said the spoiler will always rattle some.
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post #3 of 14 (permalink) Old 10-27-2009, 04:20 PM Thread Starter
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i can deal with some rattle, but man i have NEVER had a car do like this. its crazy.
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post #4 of 14 (permalink) Old 10-27-2009, 04:22 PM
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haha, yea I know what you mean. I've been getting new rattles lately when I turn the bass up, so I'm going to buy me some dynamat soon.
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post #5 of 14 (permalink) Old 10-27-2009, 04:30 PM
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Dynamat or any similar product works great. In fact at one show I was at, the Kenwood rep recommended any sound absorbing material.
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post #6 of 14 (permalink) Old 10-27-2009, 04:32 PM Thread Starter
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how much would i need to do the trunk, im guessing the trunk lid not the entire trunk right?
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post #7 of 14 (permalink) Old 10-27-2009, 04:35 PM
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Well, they make "trunk kits" to do the entire trunk. Here's a link to their online store anyways.

Dynamat Car Audio Online Web Store
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post #8 of 14 (permalink) Old 11-15-2009, 01:39 PM
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I had two twelve inch Jbls in mine, and had a huge problem with the trunk. i changed it to one ten now and found out that in the trunk on the top it's just a single sheet of metal and above that is just empty space, there's about two inches of empty space. you got to find some way of filling in that space to stop the sheet metal from shaking, that's the only problem you will have with the rattleing
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post #9 of 14 (permalink) Old 11-15-2009, 02:08 PM
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i'm that annoying guy at car show's that let's my shit rattle i love it i cant hear so i dont care... but also at ace hardware that hve this stuff that's exactly like dynamat but like a 1/4 the price... it does work very well

ballin outta control in a camo balt
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post #10 of 14 (permalink) Old 11-15-2009, 02:39 PM
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Dropped Carbon Fiber SS, Project JDM

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