Nope,, you are pretty well screwed on the upgrades.
GM Could have far superior sound,greater reliability and conveinence of
upgrades if they would let car audio people design the audio systems instead
of auto engineers.
: my new silverado has a xm radio/cass/cd with bose speakers in the
: anybody tell me if there a sub woofer with this package?i was told at the
: dealership it had a sub under the console between the seats..also is
: hook ups on this radio for another amp? id like to utilize this current
: some but add more to it..thanks for any info,
: kevin 04 z71