Blu-ray from Warner Home Video features an exclusive extended cut, often marketed as the "#XTENDEDCUT to the Break of Dawn, Yo!". This version includes approximately 6 minutes of additional footage not seen in the theatrical release.
Version & Runtime Comparison
Theatrical Version: ~88 minutes.
Extended Cut: ~94 minutes.
Key Differences: The extra footage consists of minor dialogue additions, more scenes of "party impressions," and increased "teenage debauchery" (e.g., party chaos and more nudity).
Blu-ray Specs & Features
Audio: High-definition DTS-HD Master Audio 5.1.
Video: Presented in 1080p/AVC with a 16:9 widescreen aspect ratio.
Special Features: Includes three brief featurettes (roughly 14 minutes total):
Project X: Declassified: A behind-the-scenes look at production.
Project X: The Pasadena Three: Coverage of the casting for the lead actors.
Project Xpensive: A breakdown of the monetary damage caused by the party