The large stainless on the bottom of the doors is held on by clips, not bolts with nuts. The trim can be gently prayed off, however..... This usually will result in damage to the clips. New clips are available from the KFOCI manufacturing fund order found in the monthly newsletter. (Must buy a set of clips for one side of the car...front fender, front and rear doors.) the wide trim behind he rear wheels is held on with clips that are bolted on. Also available from he manufacturing fund.