It's my understanding that any bikes being sold at the dealer level have minimum advertised pricing restrictions on current year models built into the dealer contract. So theoretically, you can't hop from one dealer to another to get a better price on anything current, because this would undercut some dealers and thereby not allow a level playing field.
Sometimes there are also restrictions on internet sales for current year models, again to discourage consumers from price shopping different dealers. This tends to be an issue more with non-folders rather than folders, but I imagine it can happen with any type of bike.
Where MAP becomes less of an issue is with demos, closeouts, and old stock. The restrictions there are fewer to encourage dealers to liquidate their demo/closeout/old stock, to make way for more new stock.
It would not behoove Thor, or any other dealer, to allow minimum advertised pricing discounts from any dealer on current year models. Such actions by the dealer are typically considered breach of contract. The dealer contract is terminated and the dealer no longer carries that line. This has put many a dealer out of business, because if they play fast and loose with MAP and that's the main line they sell, there's not enough revenue from other lines to keep them afloat.