[wtwo3]

Absolutely. Tell the dealer exactly what build you want, and before you put any sort of deposit down to place the order, make sure you negotiate a price that you both agree upon. Even get multiple dealers involved to get them to bid on your business. The process for negotiating price on a custom order vs. getting a car from inventory is essentially the same.

Also make sure to fill out a credit application at time of order placement to lock in any incentives/money factor (in case they're less favorable at time of delivery).