pimp my ride' background music

hi all:
a couple of days ago i was watching pimp my ride.
and that was heather's chevy c10 episode
and when xibit wanted to show her lcd's and audio system at rear of flatbed truck some music started to play.
i dont know what was the artist but it was something like heavy metal or hard metal.
just when mad mike pushed the key to rise flatbed song started
plz kindly help
where can i find it?
or whats the song name or artist?>

am i confusing you?