Mine are polished SS ones (no paint) and they don't seem to be affected by any metal nearby. No contamination, about a year on them.

Just placed my order. hopefully get them this week and spend the weekend cleaning everything up and install. thanks for all the input and pics from everyone.

Thanks for this… I've been meaning to do this… Know I don't have to research it myself! AWESOME!!

got my package in hopefully I can get to start putting them in this weekend. thanks for all the help

thanks for all the helpful info guys!!!!