An exhaust pipe structure (15) for a hybrid car (1) having an internal combustion engine (10), a drive cell pack (41) disposed under the floor of a vehicle body (17), and an exhaust pipe (71) connected to the internal combustion engine (10); the exhaust pipe (71) comprising a front-rear extending part (71a) fixed to the hybrid car (1) and extending in the front-rear direction of the hybrid car (1), a catalyst part (71b) extending from the internal combustion engine (10), and a connecting part (73) for connecting the front-rear extending part (71a) and the catalyst part (71b); the catalyst part (71b) being rotatably held on the front-rear extending part via the connecting part (73), and disposed between the internal combustion engine (10) and the drive cell pack (41), adjacent to the drive cell pack (41), and at an angle with respect to the front-rear extending part (71a); and the exhaust pipe (71) being crooked overall.