Hondata is a company that specializes in performance tuning and engine management systems for Honda vehicles. They provide software and hardware solutions that allow car enthusiasts to optimize their vehicle's performance, improve fuel efficiency, and enhance overall driving experience. Their flagship product, the K-Pro, is a programmable engine management system that enables users to customize engine parameters. Hondata also offers various tools for data logging and diagnostics, making it easier for users to monitor their vehicle's performance and make informed adjustments.