What the biggest engine that can go in a 04 tiburon?

The largest engine that can typically be fitted in a 2004 Hyundai Tiburon is the 2.7-liter V6 from the Tiburon GT model, which produces about 172 horsepower. While some enthusiasts may attempt engine swaps with larger engines from other vehicles, such modifications can be complex and require significant custom work to fit and integrate properly. Additionally, any engine swap may affect the vehicle's reliability and handling, so it's important to consider these factors before proceeding. Always consult with a professional or experienced mechanic for specific recommendations.