That's cool having all that stuff done before the car even gets here. Did your importer say the build will be cool as far as EPA goes? I know the "exempt if original configuration" wording is a bit murky when dealing with major mods.That's the plan.
I'm going to Japan in May to see my car in person before it ships out. Currently having some things done to it while it's there ie paint respray, replacing seals, swap transmission to a Getrag transmission, and engine build.