Well, removing the spoiler and quarter scoops probably means repairing & repainting the quarters & trunk lid and blending into the doors, as I'd bet they're bolted on. $$$
Might dodge (pardon the pun) some of that if you like the '69 quarter scoops and if they cover the holes left by removing the Charger door scoops.
A '70 Super Bee could have either a rump stripe or a C-stripe, but I don't know on an R/T; check the Hamtramck_Historical site for that.
You can also compare standard equipment & features between the 2 models there.