Parts of an exhaust system should be: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Parts of an exhaust system should be: Answers Loose. Leaking. Fastened securely. Cracked. Explanation When inspecting an exhaust system, you should verify that parts of the system are not loose, broken, or missing. The system's parts must be properly mounted and should not be rubbing against moving parts of the vehicle. This questions appears in the following tests: Maryland Passenger Minnesota Class A Knowledge Test New Jersey Class A Knowledge Test New Jersey Class B Knowledge Test Wyoming Passenger