The series 2 Plug and Play Standalone Engine Management System for 4-cylinder Honda and Acura race cars (part #'s 30-6040, 30-6050, 30-6052, and 30-6060). The Series 2 EMS for Honda, which replaces AEM's first generation EMS, represents a complete hardware redesign with greatly enhanced features, including a USB data port, 1MB of internal data logging, and 6 coil outputs. In addition, all Series 2 EMS systems come loaded with the company's new AEMTUNER software, a completely new user interface software which replaces AEMPRO. AEMTUNER is only available on Series 2 systems.