• The Official RSS Store •           • Get the latest GT-M Phase 2 Pack! •           • Ultimate Pack 2025 Now Available •           • Drive the Formula Hybrid X 2026 for £2.49! •           • Compete with the GT Legends Championship Pack •           • Race the official Alpine F1 Formula Hybrid Alpine 2025 car! •           • Drive iconic cars from the 1970s to today •           • Get the MP-H Phase 1 Pack now! •          
Starting from:

£14.99

Upgrade 2025

The Upgrade Bundle 2025 is ideal for customers who already own a previous Ultimate Bundle pack and want access to all Race Sim Studio cars released during 2025. This bundle includes a total of 8 vehicles released throughout the 2025 season.

*Note: This bundle includes only 2025 vehicle releases.


Included Cars:

  1. Formula Hybrid Alpine 2025
  2. Formula RSS Supreme 2025
  3. RSS GT-M Phase 2 (4 cars):
    • Macca 72 V8 Evo
    • Adonis V8 Evo
    • Furiano 96 V6
    • Hyperion V8
  4. MP-H Phase 1 Pack (2 cars):
    • Callahan V8
    • Lanzo V8 Evo

All cars are intended only for use in Assetto Corsa for PC.


Additional Information

  • Keep your product email safe – it allows you to re-download the latest files at any time.
  • Some cars are compatible with base Assetto Corsa and enhanced via Content Manager & Custom Shaders Patch v0.2.7+.
  • Some vehicles as of August 2025 require the CSP tool entirely.
  • Full descriptions of each car are available on the RSS Sellfy Store.

Sales Policy

  • All sales are final; refunds are not available for items included in this bundle.
  • Accidental duplicate purchases may be refunded upon request – contact us with your PayPal and Sellfy transaction details.
  • Not for public, corporate, or commercial use without explicit permission.
  • Modification, extraction, or redistribution of this content is strictly prohibited.

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