Mirrors
As per 4.8.5 of the Technical Regulations, alternative mirrors may be used.
Details of the existing mirrors are below. There are many mirrors available on Amazon and similar sites that are universal and will fit the car well, and can be mounted in the original mounting location or to the roll bars.
Recommended replacements
Section titled “Recommended replacements”Some people prefer mounting these to the roll bar for a more secure, vibration-free fit. They may also stick on small convex mirrors for a wider field of view, which helps cover the blind spots created by the car’s wide rear bodywork.