Motorcycle Exhaust Pipe Modified Muffler Porous Sound-reducing Plug Back Pressure Core Mute Catalyst $ 5.74 Product information: Purpose; silencer Size; 51mm 60mm (mm) Model; 51mm 60mm Applicable models; general modification Specifications: Type A 51mm without catalyst, Type A 60mm without catalyst, Type B 51mm pass-through, Type B 60mm pass-through, Type C 51mm flat head, Type C 60mm flat head, Type D 51mm bullet, Type D 60mm bullet Packing list Modified muffler*1
