If you get chrome knobs, try to get a set that has a knurled edge. These are easier to grip when turning. Mine are from Star Tech and there's also a nice set at ptcruiserparts.com (I think?).
The door speaker rings look great but are a real pain to install! By the time I got them to fit the way I wanted, the black sticky stuff (3M Red Liner tape) was shot. I glued them on with 3M Plastic and Emblem Adhesive also at auto parts stores. Any old 3M tape can be cleaned off with rubbing alcohol. Also use it to clean surfaces before installing 3M tape.
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