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I think you would want to get a little more ambitious, and use ductwork (maybe flexible insulated furnace duct, to avoid picking up engine compartment heat) to lead from the intake to interior, then more duct from the rear of the passenger compartment to the outlet, with a backflow preventer so you don't get exhaust eddies.
My Insight does have something like the exit half of this, with vents on the rear (under the plastic rear shell) that close with flapper valves.
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