FAAST Briefing Aftermarket Safety Equipment, June 2022
https://medium.com/faa/aftermarket-safety-equipment-e129be508acd

The installation and use of aftermarket safety equipment like shoulder harnesses, engine monitoring equipment, enhanced and synthetic vision systems, carbon monoxide (CO) detectors, and angle of attack indicators, can significantly reduce the likelihood or severity of some general aviation (GA) accidents.

Think about it!