Dynamat in the trunk

RyanWest

Use one app and report back please

cranzy

Just did. Using the same app for before and after.

When idle and the car is warm:

Before: 23-28 DB
After: 18-25 DB

As you can see the DB difference is not significant, but you can hear/feel that the car is isolated and the exhaust sound is toned down/muted.

Anyhow, I'm happy with the results and would recommend to anyone to isolate their trunk if they have noise issues. I would suggest cheaper solution than Dynamat, if you can find one.

Jayhovah

How about a road noise test?

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cranzy

As cooltoy said, it's too late for that. However, I've applied dynamat only where most of the noise is coming from - trunk of the car. Road noise didn't bother me before, but I'm sure if you want to significantly reduce it, you'll have to take off the carpet, door panels, trunk panels and apply some form of isolation. As I said before, my exhaust noise in the car is more tamed right now.
Keep in mind I have stock headers, HFC, and the full Tomei exhaust. I can't wait to see what my car will sound with the Z1 headers and TPs.