Yes its best to keep it original, mine has all the factory options offered with the 427. Its a savior car all original from the day it was built and only 48,000 miles on it. I really wanted to put a luggage rack on the back, I check to see if it was an option because a lot of vets have one. I found out it was not a factory option until 1972. The dealer's made them an option so because it was not a factory option I won't put one on. I have the original purchase contract including the options and just cant bare to make that kind of a change, to me it would destroy the history. My Shelby Daytona 500 Mags were a dealer option but they did come with the car when new so I can keep them.