Swapping rear drum brakes

[Monaro03]

Hi all

Please excuse my ignorance if this has been discussed in the past. I was wondering if it is possible to change the rear brakes from drums to disc. I have noticed for instance that the Challenger has discs instead of drums.

Any help greatly appreciated.
cheers

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https://www.newtriton.net/phpbb/viewtopic.php?f=51&t=9538&hilit=drums&start=50