Depends on the vehicle...Our C5 Corvette didn't get teh last minute deflectors and used to spill water on the rear speakers when opening in the wet. They fix a

Depends on the vehicle...Our C5 Corvette didn't get teh last minute deflectors and used to spill water on the rear speakers when opening in the wet. They fix a lot of problems, but the customers demanding new designs every few years means we still keep fixing some of the same problems over and over.