Can't say that I've seen any fender options for the Chargers except what I've seen rolling out custom done like what Mopower is working on. Which, by the way is awesome. Not to mention his cuda style grille too. Sorry to not be able to offer you any suggestions, but have not seen any out there - maybe why Mopower is aggressively working on his.
Here is the link to his endeavor for the fenders for your enjoyment: