How would you prove you don't xmit on it?? You would loose in court and spend a lot trying to prove it.Having an amp in -line is illegal. Having an export radio is not.
As said here:
§95.426 (CB Rule 26) Do I have to make my CB station available for inspection?
(a) If an authorized FCC representative requests to inspect your CB station, you must make your CB station and records available for inspection.
(b) A CB station includes all of the radio equipment you use.
An Export is NOT a type accepted CB..you loose