By making adjustments to these parameters, it is possible to optimize the performance, fuel efficiency, and overall drivability of a vehicle. This includes parameters such as fuel injection timing, rail pressure, turbo boost pressure, ignition timing, and many other engine-related parameters. ECM Titanium allows tuners and mechanics to read, modify, and write the data stored in an ECU. It is specifically designed to work with Engine Control Modules (ECM) or Engine Control Units (ECU), which are responsible for managing various aspects of an engine's performance. ECM Titanium is a software application used in the field of ECU Tuning and Remapping.