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 90mm / 3.5" 400mm / 16" 48mm / 1" 7/8 48mm / 1" 7/8.
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