I'm amazed nobody has mentioned plate speakers. I used to have some Pioneer TS-P682 6x8" plate speakers, and they sounded SOOO much better than the pioneer 5x7's I replaced them with. Come with a built in crossover so you just hook it up and crank it.

2000 SVT Black/Tan #1633/2150 (a few mods) Alpine: CDA-9835, MRV-F540, MRD-M550 PG: TANTRUM-X 6.5 COMP all around. Some people wear Superman pajamas. Superman wears Chuck Norris pajamas. CEL currently: Off