1 Stress: Besides causing muscle tension, stress can cause chest pain. 2  Figure out what is causing you stress, and cut it out of your routine if possible. 3  Breasts: As your pregnancy progresses, your breasts will become larger. 4  This can cause shortness of breath or chest pain.
An exhaust system is usually piping used to guide reaction exhaust gases away from a controlled combustion inside an engine or stove. The entire system conveys burnt gases from the engine and includes one or more exhaust pipes. Depending on the overall system design, the exhaust gas may flow through one or more of:
Top definition. open header. To have your car's engine run with the exhaust manifold bare, rendering it obnoxiously loud, according to rice boy standards. Your general stock cars are by itself equipped with these items, that guide, muffle, and clean exhaust gases, as well as reduce performance by increasing backpressure: