TL* THE CONTACT OWNS A 2004 MAZDA RX-8. WHILE DRIVING AT 45 MPH THE EXHAUST SYSTEM OVERHEATED AND CAUSED UNKNOWN WIRES TO OVERHEAT AND SMOKE. THE DEALER ADVISED THERE WERE NO RECALLS ON THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CURRENT MILEAGE WAS 80,000 AND THE FAILURE MILEAGE WAS 72,000.