It's real. I've seen other pictures of it, elsewhere.
It is real, in that the truck is a real physical object that exists. The images are not photoshopped.
However, there's no sign yet that an actual "Wilmore Funeral Home" exists as a business.
Did a Funeral Home Advertise Using the Slogan 'Don't Get Vaccinated'?
Photographs of a truck advertising "Wilmore Funeral Home" in North Carolina emerged in September 2021. But who was really behind the campaign?