The concept has two seats and removable lightweight doors. (ps-garage.com)
Porsche made the side and rear glass thinner, added lightweight door panels with loops instead of conventional handles, tossed out some of the sound insulation, and sent the rear seats back to the parts bin. (digitaltrends.com)
We do lightweight door cards, which you'll need if you want to fit a cage.» (evo.co.uk)