David Segal of the Washington Post investigates the competitive world of db drag racing ("db" stands for "decibels"), where people customize their cars with stereos so loud that they can't actually be played—or listened to—at least not without risking a nose bleed.

Chaim and Billy both lived in Williamsburg, Brooklyn, just blocks away from each other, in worlds that almost never collided. Chaim was a Hasidic Jew—he'd never heard pop music or watched MTV.