Am I crazy or did the sound of my 456 GT's exhaust suddenly change? I have read on this forum about a solenoid that can divert the exhaust, is mine maybe permanently diverted? My 348 seemed to have the same issue, but it was right after a $12,000 service that it was MUCH louder. Maybe the diverter on that car was stuck before it got to the dealer. Is there any way to manually control this device? Does it exist on the 456?