It’s tried and true, but I bet you haven’t heard of it since you were a kid. This one came from Alabama, the old Limburger-cheese-on-the-muffler-of-a-new-car trick.
The exhaust manifold works well, too, as a surface for a cheese spread. Or you can simply place som of the same substance behind a radiator in a home or office. Once it’s burned on, the smelly sour effect can last for weeks, despite robust cleaning efforts.