I always thought this was a snobbish line. I don't like ray-bans but they cost more than I would pay for sunglasses. I thought it was just materialism that is so common with Candace's people.
Now listening to it I think it was a lot deeper than that. He's telling the feds how fly he is. He's talking to them. So he caught on to the Ray-bans/glow nigger meme back then. Mr Chains was ahead of his time I think.