I have a 04 g35x and I got a pioneer DD in. Now after having it for sometime, I notice that my radio does not come in clear. I know the antenna plug is hooked up in the back. When i go through a tunnel it completely comes staticy and you cant hear anything, like its dead. Also sometimes when i come to a stop, it just becomes very staticy. Also I dont even get alot of the stations in. What is the problem. Im sure they hooked everything up properly. I know infiniti antennas are hooked up through power and a amp or something, since its the fin type.