Recommendation If you enjoy Forza Horizon 2 on Xbox 360 and want more cars, events, and themed challenges, the DLC is worth buying for the added variety and polish it brings. On an RGH console it works well but be prepared for the usual modded-console caveats (extra setup effort and possible loss of online functionality).
To successfully install and use DLC on an RGH console, you need three components: Forza Horizon 2 Dlc Xbox 360 Rgh