Quote:
Originally Posted by sperry
The worst part about road noise in an Impreza is because the rear struts mount inside the passenger cabin. The rear topmounts are actually bolted to the rear deck right behind the rear seats, so no amount of trunk shielding is really going to make a big difference on road noise. That's one of the big reasons the Legacy (and now the new Impreza) have gone to a multi-link rear, so they can mount the suspension components under the trunk.
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I never thought about that but it makes sense. Would it help even the slightest if you removed the rear seat and filled that pocket over the strut with sound blocking material? Like chunks of a memory foam mattress.