Rocket League Dominus Perfected with Dieci rims and tires

When printing the remix of this model I found that the headlights, tail lights, front brakes, and other parts weren't connected to the model and were actually printed on the support that's necessary when printing. Once the support was removed, those items were removed with it. I imported this into Meshmixer (my new favorite software) and spent a good 10-12 hours perfecting the mesh. It's now completely hollow and completely fills with infill, however, the file size is rather large to retain the