Sorry to hear about theft. We looked up your RaceAmerica Serial numbers to provide you with a bit more information. Our records show two AC4's. The serial numbers are 9414 for the 3800A and AA57 for the 3800B. Hope it helps.
If not recovered please contact us as we may be able to provide a Pre-owned system if it helps.
Regards,
Jim Viola
jviola@raceamerica.com
408-988-6188