Behind the trunk carpet on both outboard "wells" on my SD are really big vents, "covered" by a rubber flap. I expect that they are there to vent air through the cabin, exiting at a low pressure region behind the car, like on my old Saabs. But why do they have to be so big and leaky?? I'm really tempted to seal them up. Especially because they are behind the rear tires where a lot of crud gets splashed up in the winter. Anyone here ever seal these up?

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'82 300SD - 361K mi - "Blue"

"Good judgement comes from experience. Experience comes from bad judgement."

listen, look, .........and duck.