Geez, anything not stock or stock replacement is modified. Highly modified is more than bolt ons, imo.

So, bigger Tbars, fast ration pitman, 11.75" rotors on my Cuda are examples of modified.

coil overs, weld in subframe connectors, Watts linkages, 4 links, all are highly modified aspects.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.