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      07-07-2021, 10:50 AM   #2
MarcoZandrini
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Drives: 2018 M240i
Join Date: Jun 2017
Location: Virginia

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I installed Road Kill sound insulation in the trunk. I installed on those sheet metal surfaces that sounded "hollow" when I tapped them with my finger. I used paper as the templates. It does seem to have decreased road noise.

https://www.amazon.com/Stinger-RKXDK.../dp/B001HHX606
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