Got this from another site... Not my post but maybe it will help you.
"Dont pay extra for the car because of the Topper X crap. #1 I dont believe the 1-200 baloney. I think some of that hooey was "invented" by a young lad on D-C.com a few years ago. One of those deals where someone made up stuff to make their slightly "interesting" car seem like a real rarity. At the time, I was amused how many people took the kids word to be the "truth" 2nd...as you said its still a 318/bench car. Is the car green with a "mock turtle" vinyl top?
I have owned 2 of them, turned down the chance to buy a 3rd, seen pics of a couple more, and seen another 2-3 on eBay. That leads me to believe the 200 figure is bogus. Even if true, I dont believe it adds any significant value to an otherwise "undesirable" model."
Read more:
http://wichargerguy.proboards.com/thread/2842/charger-topper-question-added-value#ixzz6C5txvenM