Upgrading my Niagara 1000 with a higher quality power cord?

Hello Niagara 1000, owner's,   is it possible just by upgrading my power cord I could achieve some amazing sonic improvements with my Niagara 1000, I am using a Audioquest, NRG Z I know it's not that  great. Any suggestions would be appreciated or should I just look into getting a whole new PC conditioner?? and sell my Niagara