Removable Stainless Steel Exhaust Silencer For 4.5-Inch Muffler Tip Engineered for significant noise reduction and minimal restriction Removable & Adjustable Design Inlet Size: 1.5 Inch; Outlet Size: 1.5 Inch Overall Dimension: 6" (Length) x 4.25" (Diameter) Constructed With T-304 Stainless Steel For Strength & Durability