Yep, just checked myself, same results. I'll bet they don't even know it. If you do the same with the Sequoia model , the options come up. I'm guessing a lot of those are the same as the Redwood, except items you see under Redwood that are mandatory like full body paint.
Rick and Mindy
2013 Redwood 31SL, 2011 Ford F350 SRW, 6.7, Crew Cab with Firestone Bags, Titan Disc Brakes