Westside Rules is the first soundtrack album for the show, and draws on New Zealand music for its track listing. It was released in October 2007, and debuted at #1 in its first week of release.The album leads off with the series' theme song Hello Sailor's "Gutter Black".

Hello Sailor - "Gutter Black"
Goodshirt - "Buck It Up"
Deja Voodoo - "Beers"
The Datsuns - "All Aboard"
Th' Dudes - "Be Mine Tonight"
The Spelling Mistakes - "Feel So Good"
Voom - "B Your Boy"
Goldenhorse - "Run Run Run"
Dance Exponents - "I'll Say Goodbye"
Finn Brothers - "Won't Give In"
Opshop - "No Ordinary Thing"
Gasoline Cowboy - "Beach In Cali High"
The Reduction Agents - "80's Celebration"
Paseload - "Lock And Load"
The Veils - "Jesus For The Jugular"
Dimmer - "Mine"
The Black Seeds - "Let's Get Down"
Calico Brothers - "God Left Town"
Greg Johnson - "Save Yourself"
Goodnight Nurse - "All For You"
Dogs Of War - "Titirangi Thugs"