In terms of breaking things, it breaks theme. Hard.

I'm fairly confident this won't be a thing. I could maybe see a ship that parasites abilities off of other ships at R1-2, but equipping titles? They're ship specific because they refer to a ship model or a ship's unique name. Not happening.

What if it were just a single pilot who had that ability? Lets say a Z-95 pilot with the ability "You may equip any one title to this ship, regardless of ship type".

now it's restricted to only a single pilot - and could be a fun ability.

But dude that's just.....weird.

So you would be ok with a headhunter flying around as Slave 1? Or the Falcon? OR A ROYAL GUARD INTERCEPTOR!?

Sorry man but that's just messed up.

It wouldn't REALLY be the falcon it woudl just be copying certain abilities.

Have you ever played The Force Unleashed? They had a droid named Proxy in there who could alter his appearance and fighting styles to mimic other opponents for Starkiller, such as Darth Maul, Obi Wan Kenobi, etc. If Proxy were turned into a pilot, it could seem appropriate that he intergrates his circuitry into the ship, to have the ship mimic another type of ship's capability.

Granted you coudl put him on a low cost M-3A Interceptor, and not give him an EPT - thus making him mostly useless - but it could be fun to play around with. Especially in the case of an M3A, because in that case you'd have to sacrifice the "Heavy SYCK" title to take a different one, so I doubt that particular situation would really break anything.

This is just a little silly, now. Proxy was a one-of-a-kind prototype holodroid with a well-known faction affiliation. Why would be be randomly flying around a Syck, for Scum, fluff-wise? Tech-wise, why would he magically be able to use his built-in holoprojectors and lightsaber programming to somehow copy abilities like "your ship may take two Modifications" or "give yourself an EPT" or "you can't shoot your main gun, but shoot a turret in any direction," and stuff like that? Game-balance-wise, folks have already pointed out some issues here.

If you want to house rule in a title swap thing, knock yourself out, but I really wouldn't hold my breath for it to be something official, y'know?