It's because the police serve the interests of the owning class, and so prioritize things such as corporate property damage and the ability for workers to get to their jobs.
Note that loud exhaust is not an issue in more affluent neighborhoods...
I've been told the number of people driving with loud exhaust is a function of how close you are to the nearest meth house. This is after adjusting the data for level of travel a given road or nearby road
I live near a school (equivalent to middle as well as high school). The rest is a purely residential area.
I feel that living near a school in the morning with mommy driving little Kevin to school in big SUV and little Kevin's older brother revving his engine as much as he can with his car comes probably somewhat close.
I've been told the number of people driving with loud exhaust is a function of how close you are to the nearest meth house. This is after adjusting the data for level of travel a given road or nearby road