Now here's a car that was un-personalized to increase its value, the 2,010 mile HemiCuda:

http://www.rkmotorscharlotte.com/sales/inventory/active/1971-Plymouth-Cuda/133269#!/

Scroll half way down, just below the very long list of option codes, to read what the original owner's personalizations were, and why, sort of.

The original factory fluids still in the engine is a bit too much originality, though.