Is it possible to put a header with downpipe on 2001 Hyundai tiburon that replaces the factory downpipes catalytic converter?

It is possible to replace the factory downpipes and catalytic converter of a 2001 Hyundai Tiburon with a header and downpipe combination. However, this modification may have legal and emissions-related implications depending on the laws and regulations in your area. Additionally, it may have effects on the performance and sound of the vehicle. Before making any modifications, it is important to research and understand the local laws and regulations, consider the potential impact on the vehicle's performance and warranty, and consult with qualified professionals.