I doubt it. Normally there is a time period they will work with you on a trade up, but if your the second owner that is unlikely.

Why do you think you need 80's anyway, will your receiver drive 4ohm speakers?

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85