Mute manifold in the exhaust pipe of the vehicle

摘要

(57) [summary] [challenge] mute manifold in the exhaust pipe of high silencing effect vehicle. A by reducing the middle of the sound deadening manifold formed into a spiral as well as the , without providing the silencer holes holds the middle of the spiral-shaped portion smooth, the vortex in the exhaust gas silencer manifold to form, is placed a funnel-shaped tube with a conical curved face on the inner wall of the front end portion of the helical portion of the digestion sound manifold, it is provided with a hole leading to the plurality of open end close to the pipe wall the center of the funnel-shaped tube.