Due to the materials used this silencer will not degrade or rust, it is a change once solution. Inlet: 1" 7/8 / 48mm . Outlet: 1" 7/8 / 48mm . Universal Stainless Steel Silencer. T304 Stainless Steel 101mm / 4" 200mm / 8" 48mm / 1" 7/8 48mm / 1" 7/8.
