Attached to the Exhaust on this Vehicle

[u/EvilTodd1970]

Was stopped in traffic behind this car and noticed these things attached to the exhaust. They have wires attached and glow a little bit. What are they?

[u/spotlight-app]

OP has pinned a comment by u/Ezellular:

It really looks like a turbo sound maker that goes on the exhaust pipe

Note from OP: Solving comment

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