The Hi-Output Slip-on gives the bantamweight Monkey a heavyweight punch with a deep throaty growl and a beautiful stainless brushed finish. 3/4 System; Mid-pipes and muffler CNC Machined Billet end cap Laser engraved logo badge Laser-cut chassis cover 3 lbs (EU: 1,36 kg) lighter than stock. MUFFLER SS HONDA MONKEY