I want to replace the system in my Infiniti I35 Sport. I realize the best way to start is with a headunit since the speakers sub and amp that are stock are not bad to begin with. I have done some searching and realized that I have the Bose(clarion) headunit and I would like to upgrade it.
-Do you think that a new head unit would drastically improve the sound and utilize the full capibility of the current speakers/sub?

 

Yes

 

you would notice a pretty noticeable change in sound quality.