Window louvers were an iconic design element of classic muscle cars. But they also served practical purposes beyond looking exceptionally stylish.

One of the biggest allures of the 2023 Toyota GR86 is that it’s one of the cheapest, most modifiable rear-wheel-drive cars out there today. You can pelt it with performance parts, or simply restyle it ...

Some came from the factory to help the engine compartment breathe. Others were meticulously stamped into panels by hot rodders looking for a custom look. Still others originated as aftermarket ...