hy, wants to add a new level to me, it should be a 2 channel…for that a good to very good 2 way system should be installed in my front… it’s a bmw 328i coupe… e36 the system should be in the footroom, it should be 13er, with extra tweeters that I can install in the doorboards, back to the shelf are 2 heart inside 6×9 with adapter, they should get out…there no more come in… what can you recommend??? should be something good, not any scrap…