Chamillionaire's fourth leak from his upcoming Poison Playlist project is the Short Dawg-assisted Passenger Seat, a Southern groove sure to get burn in more than a few Caddys down in Houston, and around the country.

Track produced by Cory Mo. Poison Playlist is set for release on April 18, but I'm sure we have a few more leaks to look forward to until then.

Check out the song below: