Patent ID: 8091670

Claim:
An all terrain vehicle comprising: a pair of right and left front wheels; at least a pair of right and left rear wheels; a vehicle body frame arranged to support the front wheels and the rear wheels; a pair of right and left first roof supports provided at lateral sides of the vehicle body frame in a transverse direction of the vehicle, each of the first roof supports including a pipe member extending in a substantially vertical direction of the vehicle; a pair of right and left second roof supports provided at the lateral sides of the vehicle body frame in the transverse direction of the vehicle, the second roof supports disposed rearward of the first roof supports in a longitudinal direction of the vehicle, each of the second roof supports including a pipe member extending in the substantially vertical direction of the vehicle; a pair of right and left roof members, the right roof member connecting an upper portion of the right first roof support and an upper portion of the right second roof support, the left roof member connecting an upper portion of the left first roof support and an upper portion of the left second roof support; a seat disposed forward of rear ends of the second roof supports in the longitudinal direction of the vehicle in a side view of the vehicle; an engine unit at least partially disposed under the seat; an exhaust pipe including: a first portion connected to a rear surface of the engine unit and extending rearward therefrom in the longitudinal direction of the vehicle; a second portion connected to the first portion and having a substantially U-shaped configuration; and a third portion connected to the second portion and extending forward therefrom in the longitudinal direction of the vehicle; and a muffler connected to the exhaust pipe and arranged such that the first portion and the third portion at least partially overlap with an area defined between two tangent lines of the muffler in a cross-section at a predetermined longitudinal position of the vehicle, the tangent lines of the muffler being positioned perpendicular or substantially perpendicular to a tangent line shared by the first portion and the third portion.