Forza Horizon 1 (FH1) like the Rally Expansion working on the emulator, you must use the Xenia Canary

It is crucial to address the elephant in the room: piracy. Playing Horizon 1 DLC on Xenia exists in a gray area. While you can legally dump your own Xbox 360 discs and DLC files (a complex process requiring a modified console), the vast majority of users will download pre-packaged ROMs from the internet. This is technically copyright infringement.

Title Update 4

Most DLC, especially the Rally Expansion, will not appear without installed. Launch Xenia Canary .

Part 9: Troubleshooting Quick Reference

If you have "Package" files ( .xcp ), you must extract them using tools like Xbox 360 Neighborhood or Le Fluffie before placing them in this folder.

The Rally Expansion: A Bumpy Ride

unlocked, title-specific DLC

This is the part where most guides fail. The standard .zip DLC files won't work. You need in the correct folder structure.