Jeffrey Kirby is accused of crashing his speeding Porsche into a Ferrari driven by Tap Out clothing line co-founder Charles "Mask" Lewis Jr. in March 2009.
Police said Kirby's Porsche clipped Lewis' Ferrari, causing the Ferrari to smash into a light pole and break in half. Lewis died at the scene.
Kirby is charged with gross vehicular manslaughter while being intoxicated.
Lewis was an extreme-fighting industry figure. His girlfriend was ejected from the car and seriously injured.