If you're looking to buy the original Rockford Files 1978 Firebird, it is for sale as part of the Wellborn Museum sale. Here is the direct link:
https://www.mecum.com/collection-det...=FL0115-204101
and more of the cars in the collection (including my former 1971, orange, hemi, sunroof charger that I sold about 20 years ago)
https://www.mecum.com/collection.cfm...&groupid=10197