The victim was able to drive to a gas station at Alondra Boulevard and Woodruff Avenue in Bellflower, and was taken to a hospital. He was expected to survive.
Two passengers inside the car weren't hurt.
Police said the driver had been in some sort of fight with another driver before the shooting. They said the victim was not cooperating with the investigation.
Anyone with information about the shooting was asked to call the Crime Stoppers hotline at 1-800-222-TIPS (8477).