I have not had a testing license since the late 1990s, and that examination began in 1994. To my knowledge, there were no software limitations on derivatives at that time, just the governor. Several individuals involved in tuning, who had elevated governors, expressed dissatisfaction with the alterations at that time. I recall having a few snap belts. A warning was sent about the belt's impending replacement owing to mileage; yet, he persisted on testing it since he need the vehicle. "SNAP!" Vehicles with malfunctioning or removed limiters are often evident from the first rev, resulting in an immediate and significant failure. This is inequitable, since my automobile will not undergo a comprehensive assessment at its limit, perhaps emitting excessive smoke at 4000 RPM without detection at the testing facility.It does not, by the way!