Riced it with homemade rear diffuser/splitters, pretty close to the varis e9x full diffuser except this is just the outer piece to fill in the rear-side profile:
Took a billion tries to get the shape and size right.
Chloroplast, then chloroplast + CF vinyl for testing
Almost-final product with real plastic (except its cut off in the pic)
Final product (if I'm not lazy) will have evenly spaced bolts and will be in carbon fiber:
