Upower Dual Exhaust Tip 2.5 Inch Inlet 3" Outlet 9.5" Length Vacuum Plating Blue 304 Polished Stainless 1.2mm Thickness (Single Wall Slant - Rolled Edge) Fits: To ensure proper fit make sure your exhaust INLET diameter is 2.5 Inch Pack of 1 dual exhaust tip; Professional installation is highly recommended; No instruction included Double Wall Slant - Angled Cut - Rolled Edge design Materials: Vacuum plating blue process & Made of 304 Stainless steel has very strong anti-corrosive, Never Rusty. There is 1 year warranty for each purchase. Before you buy, please make sure the Brand Logo "Upower".