There are two was to visit, On your own or a guided tour which has info about Carroll Shelby and the cars at the Museum. Plus a look at Garage where they work on the cars. You can leave your mark and sign the wall!
What year is your car? a 2018 valance will not work on a 2015.
https://lmr.com/item/M5200ACTI/mustang-mach-1-active-exhaust-upgrade-kit-18-23?utm_source=google&utm_medium=cpc&adpos=&scid=scplp&sc_intid=&gclid=CjwKCAiA-vOsBhAAEiwAIWR0TUKyBtiW89o57qzv1wQjnfDFBhsMD_elwMsi9npPkWkGOKiEEg_mdRoCqVsQAvD_BwE
I like to make sure April showers wash away all traces of salt from the roads.
I have been doing it this way for 8 years and vary happy with the results,