You're right. The first example that came to mind,
Goofys Muffler Customs has rebranded as Goofy's Mufflers Brakes and More.
I'm trying to make the leap from the 1970s to the 2020s. I may never own a car with a catalytic converter. All Beetle transaxles require is heavy-duty side plates for 4X the power, then maybe the gear keys. Don't know much about Chevys.