what is the automotive term for an exhaust system making that farting sound and how does it work? I assume there's a level of control you have because a car drives by every so often making the brap brap brap........brap brap sound. It's gay as fuck but I want to know how it works

>muh gay

>>28513128 (OP)
https://en.wikipedia.org/wiki/Rice_burner

>>28513128 (OP)
Crackle tune?
Don't go near cops with one.