Sale is pending. I'll give the prospective buyer a little longer to complete the sale before I offer it to someone else.
Basically, the tuner is used as a custom chip that you can modify parameters via a laptop or desktop(using the power supply). You can change parameters such as fuel trims, MAF values, injector sizes, RPM limits, spark advance...ect. The list goes on. If using binary editor software, you can easilly modify 452 scalars, 113 functions and 30 tables....