That was all that was needed to get rid of the smell and the road noise.

This gets the job done and then some, I did my entire 2017 WRX (doors, trunk) and my doors have a nice thunk and weight to them, really makes a difference on the inside to reduce road noise and improve sound

Did not quite down the road noise as much as I had hoped it would!

I've noticed a significant reduction in road noise, and have zero rattle or other vibration from the new audio equipment.

It does help the acoustics of high end sound systems and reduces road noise some

If you're looking to reduce road noise, this combined with a decoupler foam and mass loaded vinyl is the way to go

This gets the job done and then some, I did my entire 2017 WRX (doors, trunk) and my doors have a nice thunk and weight to them, really makes a difference on the inside to reduce road noise and improve sound

Used this in a diesel Rav 4 with road noise problems and cut the noise way down.

Keep in mind this stuff doesn't block road noise

I did the entire floor and doors of my FJ cruiser only to eliminate almost ALL road noise.

Doors sound solid now and road noise is reduced.

Significant decrease in road noise and much better audio!

Backing comes off very easily, the sticky side is sticky enough to hold sheet in place by the edge or corner and so long as it's not pressed firmly, also easy to unstick and re-position

From there, I simply worked around the trunk, knocking on the sheet metal as I went and placing material where it was needed