Just bought a 370z.....SO LOUD

TreeSemdyZee

Many threads on hear about the noise. Since it's built as a sports car, there is no sound deadening at all. Pull up the rear carpet and all you see is metal.'
Many of us have added Dynamat or something similar to reduce the noise. I did it to mine and it's much quieter.

wat2win

So all those rock + sand hitting metal noise from rear wheel walls are normal?
the normal ride noise doesnt bother me, just when i go over roads somewhat covered with sand( roads are covered with sand b/c of snow+freezing temp) or those cement roads with pot holes breaking up.
when i go over them i cant really here anything, and i was wondering if these are also normal.

roadfever

Only if you're driving through rocks and sand.

TreeSemdyZee

Yup. That's what drove me nuts. Dynamat got rid of all of that.

wh1te370z

you could do what the germans do and put some rug up in the wells lol

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LunaZ

That's what the wife's Benz has. It's pretty effective!

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OldGuy

This summer I want to do something about the road noise problem in my perfectly stock Z. The stock tires are too new to replace (only 5,000 easy mi.), so I'm considering Dynamat. The hatch area should be an easy place to start. But, unlike many trunks with a full, flat floor, ours is not. Question: Is the Dynamat one large piece attached to the underside of the cardboard cover or is custom cut to line the design of the metal?

m4a1mustang

It comes in tiles or sheets that you cut yourself and apply to the metal. It's pretty good at conforming to all sorts of curves and contours as long as you have a roller and cut your sheets nicely.

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OldGuy

Thanks.

wat2win

where did you apply? under the trunk mats or outside of car/inside wheel walls?
I think the right answer is putting it on the wheel wall(outside of the car/not under trunk), but just want to make sure.

TreeSemdyZee

I did most of the rear-end inside. I did some in the front doors also. May go back and do more. I've heard of some using a rubberized spray on the wheel wells.


And to nicknick. Some of us actually drive all the time in our cars and don't feel like hearing all kinds of noise while doing so. If you like the noise, then knock yourself out. Sports car does not equate to race car.

wat2win

Oh so applying inside of car(under trunk area) also reduces noise? wow that is nice. I thought I need to put it up on jack stand, remove rear wheel and put them on wheel walls.