Jumbo Dynamat / Insulation install

Ok, first impressions!!!

I started out with NO music, just to hear the road noise and the car in general. It's sort of tough to describe. The road noise and engine noise is still there, but it has been attenuated, mostly in lower frequency ranges. Wind noise is still obvious and not much different, but I'm thinking that's because the headliner has not been insulated? Hard acceleration allowed me to hear my engine, but not as clearly as before. There is a definite overall softening effect to all ambient noise, but I feel neutral about it. I guess it's an improvement, but not one that is so massively different. Just, ok. Fine. Speed bumps seem to be a little less harsh, if that makes sense.

The biggest difference was definitely in the music. The sound stage in my car changed shape and I did have to change my settings to compensate. Usually I'm sitting at 12 on the volume control, but moved it up to 15 so I could really hear the bass notes hit. I'm freakin impressed. The music just feels and sounds so much cleaner - like I upgraded all my speakers. Improved the acoustics in the car for sure.

I can actually feel the bass notes hit better than before and they are more crisp. The clarity is absolutely improved. I use the Epicenter (bass processor) volume control to fine tune bass levels in each song so there is no distortion. I can usually turn up the Epicenter until I hear distortion, then I dial it back a little. With the Dynamat installed, I can turn the Epicenter up all the way and the bass still does not distort. I might play around with the sub amp and turn up the gain a little, but right now I like the balance of high and low frequency volumes. In the future if I find I don't have enough bass on a particular song, I can turn up the gain on my sub amp, then use the Epicenter to fine tune.

The road noise reduction didn't impress me - or maybe I'm just not appreciating it enough yet, but the music sound clarity absolutely did. That alone would be reason enough for me to recommend doing this. And now I do believe I will buy another pack to do the trunk and hatch, plus maybe the headliner. I mean, why only do it half way?

Cool, did you weigh the mat? I wonder how much weight this total install will add.

Dynamat's website has a technical specification document that says Dynamat weighs in at .45 lbs per square foot. Since I used just about every square inch of material in the bulk pack, .45*36 = 16.2 lbs added weight, just to be exact.
 
For the last 24 hours or so it has been raining and I have noticed I can barely hear the "wet road noise". Absolutely better than before. Might have spoke too soon about how effective it was after only driving in it once. I'm still loving the difference in the sound system. Changed out all my CDs this morning and was bumpin to some Snoop.

Thought I would enjoy this for a while before moving on to attacking the trunk and headliner. It'll spread out the cost that way too. :wink:
 
Finally got around to installing the insulation under my rear seats this afternoon. I took a quick pic of my trunk area as well since I seem to have lost the originals...

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Hey Tchuck,

I am also planning to do this to reduce the noise from my Invidia exhaust. From your pics it looks like you just did the wheel well. Did it reduce the exhaust noise considerably and how difficult is it to do?

Finally got around to installing the insulation under my rear seats this afternoon. I took a quick pic of my trunk area as well since I seem to have lost the originals...

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Just ordered another bulk pack of Dynamat Extreme (same as last time) as well as an insulating hood liner. It's time to do the trunk area and headliner sometime before the summer is over.
 
Hey Tchuck,

I am also planning to do this to reduce the noise from my Invidia exhaust. From your pics it looks like you just did the wheel well. Did it reduce the exhaust noise considerably and how difficult is it to do?

I don't want to jack Jumbo's thread but to quickly answer your questions: I removed all the plastics surrounding the spare tire, and most of the interior side moldings, the rear seats, and seat backs in order to cover every bit of floor from the back of the front seats rearward, including about 6" up the sides of the body. The pic you see above is after everything was reinstalled. I did it over the course of two days and although I didn't time the process I would say it took about 5hrs total at a very leisurely pace. On a 1-10 difficulty scale I would say it's a 5 only due to the number of pieces that need to be moved/removed to gain access to the entire trunk area. I would absolutely say that it reduced the exhaust noise (on the inside:tonguey:) considerably.

---------- Post added at 01:55 AM ---------- Previous post was at 01:53 AM ----------

Just ordered another bulk pack of Dynamat Extreme (same as last time) as well as an insulating hood liner. It's time to do the trunk area and headliner sometime before the summer is over.

Nice! After my two prior experiences with headliners in previous vehicles, I'm too chicken to try this one. :embarrassed: I can't wait to see how yours turns out!
 
No thread jack - it's right on topic!

On the headliner - I sort of have a plan. Ever since I saw KNFX's all black interior I have been thinking I would eventually swap over. All I really need is the headliner, pillars, sun visors and Oshit handles. Might attempt to paint the handles & sunglass holder plastics if they are crazy expensive to buy new. Might try to cover the visors myself (my mom sews).

So I was thinking I could remove the old headliner, do the Dynamat and then install the new headliner. That way I won't have to worry about being so careful when I remove the old liner.
 
Hoodliner and bulk pack #2 arrived!

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Nice work jumbo. I think for the style you're going (luxury feel) you'll definitely see the hard work to be worth the effort in the long run. With my experience some of my friends haven't all loved the dynamat, but the ones with better systems who took the extra effort like you did to be very thorough and extensive felt and hear a difference, and for the better at that.

One thing I've tried in past project cars is buying a $0.99 semi-hard squeegee from an auto parts store to help with edges and save your fingers from the pain. Works pretty well. As for clamps snapping, I agree it's aggravating. I tried heating some of them for a bit to see if it softens them up just enough to make a difference....I can't really say if it worked or not since I broke most of them on the harder areas first..

Nice work though man. Let us know after you have some time to feel it out about what you think.
 
Nice work jumbo. I think for the style you're going (luxury feel) you'll definitely see the hard work to be worth the effort in the long run. With my experience some of my friends haven't all loved the dynamat, but the ones with better systems who took the extra effort like you did to be very thorough and extensive felt and hear a difference, and for the better at that.

One thing I've tried in past project cars is buying a $0.99 semi-hard squeegee from an auto parts store to help with edges and save your fingers from the pain. Works pretty well. As for clamps snapping, I agree it's aggravating. I tried heating some of them for a bit to see if it softens them up just enough to make a difference....I can't really say if it worked or not since I broke most of them on the harder areas first..

Nice work though man. Let us know after you have some time to feel it out about what you think.

The Dynamat I already did absolutely made a big difference. It's the main reason I decided to keep going - because I loved the improvement.

For installation I used a bunch of different tools - I even cut and shaped a piece of wood to act as an installation tool.

I went out and bought a fastener puller to help with taking out the clips without breaking. After using it for a while I figured out how to make it work pretty well but sometimes the clip is just too brittle and it breaks no matter how careful you are. This helped a lot though:

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