Why Did Old Muscle Cars Have Window Louvers? Here's What They Were For

Have you ever checked out an old muscle car and noticed those black plastic slats on the rear window? Here's why so many cars had them back in the day.

May 4, 2025 - 12:19
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Why Did Old Muscle Cars Have Window Louvers? Here's What They Were For
Have you ever checked out an old muscle car and noticed those black plastic slats on the rear window? Here's why so many cars had them back in the day.