Finally, I installed the suspension pieces and finished the chassis! When I glue the new diffusers in place, almost all the detail will be hidden, but I did some improvements anyway.
I used Hobby Design brake discs and calipers and added brake lines. I covered the inner wheel arches with carbon fiber decals and scratchbuilt new shock absorbers and springs:
With some photoetched bolts and nuts, the chassis is now done! I will install the new diffusers after the body is in place:
Now, on to the body painting and final assembly!