wow you went and did it to the plastic liners! i just plopped it onto the inside shell.

glad you got the change you were looking for without breaking bank!

Sound Control Insulation - Sound Damping Coating | LizardSkin

This is what I was thinking about.

Ton of Noise!
 

That's for sure. I just returned from a 6 week, 6095 miles road trip.
PS: America is a beautiful place.
Regards

I would think that would be good. Or something like a trunk liner in trucks for the inside wheel wells.

Yea after doing the rears first I started to hear a lot more noise from the front. I figured since I was at it already might as well do the wheel liners.

Most OEMs use sound insulation on the wheel liners themselves.

Without going the extra mile and getting the car into a sound chamber, I figured I'd mimic what luxury oriented OEMs spent millions on in order to prevent road noise, the general principles are the same for all cars.

My Mazdaspeed had stuff on the liners. I feel like I mostly hear sound from the back, but I can see how adding on both ends would help. When my house is done and I have my own garage, I'm probably going to start adding this to the hatch area first and work forward. First order of business is finding the F*CKING heatshield that's rattling right now. Makes me feel like a Civic...

Honestly adding sound insulation in the back is super easy in this car. The plastics come out in 8-10 min and it is super easy... the easiest car to pull apart that I have worked on so far. So straight forward and easy.

I did this back when I first got my car. Lined the hatch and doors with Raam Mat then a layer of their Ensolite foam padding. While the car is still loud (mainly because of my tires), it made a huge difference by eliminating the 'tinny' sound/feel when you went over pebbles. The car sounds more solid and that was what I was after.

have you considered lining the door's aswell? i did my doors + hatch and rear wheel weels.

didn't bother with the floor under the seats or roof. i found i could hear the exhaust and engine hum a lot more clearly after i did those 2 sections.... but that's based on perception

I'm OK with the car now. I'd say 60% of the noise comes from the rear wheels and 30% from the fronts... 10% is other areas that are much harder to address

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Doing the kick panels up front cuts down lots of noise. I used dynamat for that too. There is no sound insulation material there. I also pulled off the rear panels where the speakers are located and use the dynamat on the metal of the wheel arches.

Regarding the kick panels...do you mean under the footwells infront of the seats? Or taking off where the illuminated kick plates are..or both?

In my previous ZR I peeled back the carpet and put sound deadening under the front carpet in front of the seats. I did not do behind them as that was a big project in the ZR due to the top.