EXHAUST ORIFICE TUBE FOR VEHICLE MUFFLERS

The invention provides an exhaust orifice tube for vehicle mufflers. A vehicle exhaust system is provided. The exhaust system may include a muffler including a casing, an inlet tube extending therethrough, and an outlet pipe partially disposed therein. The exhaust system may also include an orifice tube that may have a tapered body inserted within an end of the outlet pipe that is disposed betweena baffle and a wall of the casing. The orifice tube may also include an inlet portion flared from the tapered body configured to attenuate noise of exhaust gas funneling into the outlet pipe. 本公开提供了"用于车辆消声器的排气节流管"。提供了一种车辆排气系统。所述排气系统可包括消声器，所述消声器包括壳体、延伸穿过其中的入口管和部分设置在其中的出口管。所述排气系统还可包括节流管，所述节流管可具有插入所述出口管的端部内的渐缩主体，所述渐缩主体设置在挡板与所述壳体的壁之间。所述节流管还可包括从所述渐缩主体扩口的入口部分，所述入口部分被构造成使进入所述出口管的排气的噪音衰减。