yeah I agree too... the stock exhaust is very nice sounding on the 350z and Infinities.... was probably one of the only thing I liked about my dads.
I frickin HATED that top cargo spot on the dash though, where the Navi would go. If u didn't get the GPS option, it totally ruined the interior of the car
i think that was just the earlier models though... pretty sure the newer ones look a bit better.