A scooter type vehicle, comprising: a handlebar; a seat located more rearward than the handlebar; an engine; an exhaust pipe connected to the engine; a muffler connected to the exhaust pipe; and a rear wheel, wherein the scooter type vehicle forms a recessed space located more rearward than the handlebar and more forward than the seat, and recessed downward in side view of the scooter type vehicle, the muffler is located at either a position more rightward than the rear wheel or a position more leftward than the rear wheel, at least part of the muffler overlaps the rear wheel in the side view of the scooter type vehicle, the muffler includes: a first unit connected to the exhaust pipe; a connecting portion connected to the first unit; and a second unit connected to the connecting portion, the first unit includes: a first pipe connected to the exhaust pipe and extending rearward from the exhaust pipe; a first catalyst arranged inside of the first pipe; a second pipe arranged outward of the first pipe and extending to a position more rearward than the first pipe; and a lid member attached to a rear end of the second pipe to close the rear end of the second pipe, and introducing exhaust gases, exhausted from the first pipe, into a gap formed outward of the first pipe and inward of the second pipe, the first pipe has a first housing portion configured to house the first catalyst; characterized in that: the connecting portion is connected to an outer circumferential face of the second pipe and is in communication with the gap; the first pipe has a rear end opened to the inside of the second pipe 37, and the exhaust gases flow from the gap to the connecting portion. a handlebar; a seat located more rearward than the handlebar; an engine; an exhaust pipe connected to the engine; a muffler connected to the exhaust pipe; and a rear wheel, wherein the scooter type vehicle forms a recessed space located more rearward than the handlebar and more forward than the seat, and recessed downward in side view of the scooter type vehicle, the muffler is located at either a position more rightward than the rear wheel or a position more leftward than the rear wheel, at least part of the muffler overlaps the rear wheel in the side view of the scooter type vehicle, the muffler includes: a first unit connected to the exhaust pipe; a connecting portion connected to the first unit; and a second unit connected to the connecting portion, a first unit connected to the exhaust pipe; a connecting portion connected to the first unit; and a second unit connected to the connecting portion, the first unit includes: a first pipe connected to the exhaust pipe and extending rearward from the exhaust pipe; a first catalyst arranged inside of the first pipe; a second pipe arranged outward of the first pipe and extending to a position more rearward than the first pipe; and a lid member attached to a rear end of the second pipe to close the rear end of the second pipe, and introducing exhaust gases, exhausted from the first pipe, into a gap formed outward of the first pipe and inward of the second pipe, a first pipe connected to the exhaust pipe and extending rearward from the exhaust pipe; a first catalyst arranged inside of the first pipe; a second pipe arranged outward of the first pipe and extending to a position more rearward than the first pipe; and a lid member attached to a rear end of the second pipe to close the rear end of the second pipe, and introducing exhaust gases, exhausted from the first pipe, into a gap formed outward of the first pipe and inward of the second pipe, the first pipe has a first housing portion configured to house the first catalyst; characterized in that: the connecting portion is connected to an outer circumferential face of the second pipe and is in communication with the gap; the first pipe has a rear end opened to the inside of the second pipe 37, and the exhaust gases flow from the gap to the connecting portion. the connecting portion is connected to an outer circumferential face of the second pipe and is in communication with the gap; the first pipe has a rear end opened to the inside of the second pipe 37, and the exhaust gases flow from the gap to the connecting portion.