The M880 includes all of the features of the M800 with an option to increase the logging memory (to a total of 4 MBytes). Also the M880 is only available with a Mil-Spec style connector. MoTeC Systems USA requires that you purchase a custom harness from us when you order an M880. Advanced Functions are standard and include Traction Control, Anti-lag, Gear Change cut and High Low Injection.