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:rofl2::rofl2::rofl2: Sure thing there sport....When people post stuff like this, you cant expect people not to voice their opinion. If you dont want people to voice their opinions then this forum isnt the place for "you". |
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You can save a lot of cash if you do the install yourself. I recommend Sound Deadening Materials for Noise Reduction from Second Skin and get the Damplifier pro and Luxury Liner pro. I've done the trunk and doors with this stuff and it makes a big difference when it comes to road noise.
The materials are pricey but installing yourself saves you in the end. You can probably do the trunk area and doors for less than $200 in materials. There's really nothing to it except taking apart the interior panels. |
There's also the cheap way to suppress road noise. Go to Target or T. J. Maxx and buy a thick pilotes mat ($16.99).Take the cover out of the hatch, cut a pattern out of the mat using the cover as a guide (you might want to make the mat pattern a little larger than the cover). Tape it together on both sides with strapping tape and use small velcro squares to attach the mat to the cover. It doesn't eliminate road noise, but it does cut it bak to an acceptable level.
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Addendum: my wife tells me it's an extra-thick yoga mat.
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I already have the hatch accessory hatch blanket or whatever it's called in there. This mat material would go under the non-accessory hatch carpet and even if it's not perfectly cut, it might improve the situation. Every little bit helps, I would think. |
Yes. I used a Stott 1/4" mat. It's the thickest and the softest my wife has seen, so presumably it blocks the most noise. Gaiam (available on line) makes a denser mat, but my guess is that it is no better at absorbing noise. Ideally I should have made a pattern of the hatch itself rather than the thin blanket to get a tighter fit. But the noise reduction is impressive using the blanket, and the yoga mat doesn't show.
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Has anyone done any sound deadening in the cabin area in the footwells and under the seats? What did you use and did it make a difference?
What's under the cockpit carpets anyway? Is it mostly bare sheet metal like the hatch area or has the factory put in any sound deadening? I'm very interested to hear from the members on this issue. |
I never hear any cabin noise. I drive with my windows open at WOT. Lol:driving:
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Calm down children, let's play nice. Behave and don't be the person at the back of the class that spoils it for the rest of us.
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GuardDad- if you haven't already, check with 90ST. he's done a full dynamat on the car including floor board. :)
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I've already PM'd him twice and got no response, that's why I posted.
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hummm... ask him over in the audio section then?
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I'll give him another shout, maybe I screwed up, thanks
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Hi everyone. Some months ago I mentioned that as part of of an audio upgrade I was going to add more sound deadener in the cockpit area, well I'm back to report the results.
As some of you know I've been aggressive in reducing the road noise in the Z. In the hatch I've applied generous amounts of Dynamat Extreme and covered most of it with Luxury Liner Pro. I've also applied Dynamat Extreme to the doors. My most recent addition was to apply Rammat (essentially Dynamat Exterme from another supplier) on the bare metal of the cockpit floor. To do this I removed the seats and pulled the carpet back as far as possible. I was not able to apply Rammat to the top of the console and more than about 6-8" above the floor in the foot wells. My observations are as follows: Dynamat Exterme in the hatch and doors, approximately 38 square feet total: Huge improvement, modest cost, modest additional weight, modest degree of difficulty. Well worth the trouble. Luxury Liner Pro in the hatch, approximately 20 square feet: Limited additional improvement over the Dynamat Extreme alone, this stuff is heavy. Probably not worth it unless the noise is a real issue for you. Rammat on the cockpit floor, this requires removal of the seats, approximately 20 square feet: Rammat seems like a quality product but the improvement is this case was barely noticeable (the factory has already installed significant sound deadener on the cockpit floor) and is limited to a slight reduction of an annoying resonance from the foot wells that really wasn't noticeable until the application of the Dynamat Exterme and Luxury Liner Pro in the hatch. Probably not worth the trouble unless you are gutting the interior for some other reason. The take away: Apply Dynamat Exterme or Rammat to the doors and hatch for a big noise reduction and only do more if you really feel the need. |
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Dynamat Extreme/Rammat runs about 1/2 pound per square foot and Luxury Liner Pro is closer to 1 pound per square foot.
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If you are into audio upgrades it's easy to add 20-40 pounds of speakers/subs and amps too.
At least with sound deadener the weight is low on the chassis. |
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Well my plan is to lose the weight from my waist to compensate for the added gear.
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Having just mounted up a new set of tyres, I can say that there was definitely a lot of noise generated by the stock Potenzas that's not present with my new rubber.
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Love the cabin noise in my Z! Makes me feel connected to the car.
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I was surprised to find no sound deadening at all in the doors.. I did the hatch and got limited dampening....but the doors made the big difference.
Its fine now but I really, really like quiet in the car as I go on long drives and sometimes my wife or I want to nap in the passenger seat..so when the tires wear out I am switching to Continental Extreme contacts..i have asked enough people and there seems to be good reason to believe these will also reduce the noise.. I really have come to believe that Nissan did not add sound dampening because they want to differentiate this car from the G35 and G 37 and cabin noise is one of the ways... |
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Are you going to lose a bit on the performance side going with the continental Extreme contact? I have a set of Continental (not sure if it's the extreme ones) on my Altima and they do last a very long time. |
I've noticed that tire condition and road type play a huge factor in cabin noise.
I recently replaced my rear tires. The car is a lot quieter. While driving to/from Z Nationals in 2theextreme's car, there was a stretch of highway 20 where the road has an extremely rough surface. You can barely hear the passenger talking. I'll likely never address the noise issue in my Z, but I can certainly see where people are coming from. |
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Never bothered me, coming from a roadster, but leaving the car, I don't miss the white noise. |
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The 370 makes me feel like a part of the car, that I am there to drive, not be driven! |
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Good point. :tiphat: My first Z was silver by the way. Beautiful color. Polymer waxes really make the color stand out a lot. After a wash and wax my silver baby (Zenobia) would shine so bright, I couldn't look directly at her from 12-5pm. Lol GM's shine is pretty rugged. But silver was killer. Sorry to go off topic. Just made a mention. :tup: |
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For that reason, the road noise kinda gets to me at times, but never so bad that I would add a bunch of dampening mats to the car(though I can certainly understand people that choose to do that). I plan to try to lighten my car as much as reasonably possible for a daily driver as I continue to modify my car, so that kinda goes against my philosophy. |
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