2004 SS Indy impala has less than 20000 miles; factory 17" chrome alloy wheels; factory super charged 6cyl auto; i pd $2,000 augmenting stereo system, purchased and installed by the late circuit city. all stereo controls in steering wheel are functional has before, other than sound performance, the amp and sub inside the trunk, the stereo and speakers look factory. 4dr; factory sun roof & 30 mp...