Exhaust pipe structure

Details Exhaust pipe structure Exhaust pipe structure

2008-06-10

2008-06-10

Ellis, Christopher P. (Department: 3618)

Motor vehicles

Power

Having specific motor-to-body-frame relationship

C180S309000, C180S089200

Reexamination Certificate

active

07383912

ABSTRACT:
An exhaust pipe structure has, under a floor of a vehicle, an exhaust passage for exhaust gas discharged from a vehicle-installed engine, and at least one muffler is provided on an intermediate portion of the exhaust passage. The at least one muffler includes a main muffler having the greatest muffler capacity. An external cylinder forming an outer shell portion of the main muffler has a circular sectional shape having a diameter of 100 mm to 150 mm, or a sectional shape that is substantially equal to an area of the circular sectional shape. The external cylinder has a length of 800 mm to 12000 mm. The main muffler is disposed in a tunnel portion that is formed between the front wheels and the rear wheels.

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