I got some feedback from Tyrell at the Epic Kayaks factory:
I would not remove the bulkheads as there is a stringer behind each bulkhead. While the stringer doest really do anything substantial it does help the boat not flex as much.
So it looks as though it's not a great plan!
Rob
Currently Epic V10 Elite, Epic V10 Double.
Previously: Swordfish S, Evo II, Carbonology Zest, Fenn Swordfish, Epic V10, Fenn Elite, Red7 Surf70 Pro, Epic V10 Sport, Genius Blu, Kayak Centre Zeplin, Fenn Mako6, Custom Kayaks ICON, Brian's Kayaks Molokai, Brian's Kayaks Wedge and several others...