Looking for aftermarket car speakers? We spoke with a car audio expert to get some insight into the best of the best—plus a few personal recommendations on how to take your car stereo to the ...

The speakers' 4-ohm impedance and top-mount depth of 1-13/16-inch means they fit in most cars without needing to drill new holes. According to Kicker, the speaker also comes with a two-year warranty.

The aftermarket has a wide selection of speaker upgrades, so here are the best car speakers you can buy. See the full list at AutoGuide.com.