What is cost to replace catalytic converter heat shields on 2001 Acura Integra

How much should a dealer charge to replace the catalytic converter heat shields? Is it possible to repair the heat shields and not replace them? According to the dealer, they are loose, and should be replaced. They are not making noise, yet.

Asked by for the 2001 Acura Integra
cannt buy the shields. only available with the converter. cost of converter is about 850