replace carpet with some very light sound deadening ~10kg saved.
remove the AC ~12kg saved.
remove the interior lights
replace the headlights with LEDs
relocate the cooler closer to the engine, using the currently fake vents behind the driver door.
quick detach wipers
smaller windshield washer reservoir.
far far
Carbon fiber bodykit with air curtains front splitter, rear diffusor and clear separation lines in the back
carbon interior