Features: 1.Universal removable muffler silencer 2.Can effectively reduce deep note sound, also reduce noise contamination 3.Stainless steel construction, very durable 4.Easy installation, don't need screws, adjustable and removable 5.Fit for the 51mm diameter size tail exhaust pipe Specification: Description:_x000D_ This silencer muffler insert is made of stainless steel material, which is of high hardness. So it is very durable. It can effectively reduce noise, on the other hand, it can also reduce noise contamination, which is environmental friendly. Don't hesitate, such an environmental friendly and convenient product, you shouldn't miss it._x000D_ _x000D_ Features:_x000D_ 1. Universal removable muffler silencer._x000D_ 2. Can effectively reduce deep note sound, also reduce noise contamination._x000D_ 3. Stainless steel construction, very durable._x000D_ 4. Easy installation, don't need screws, adjustable and removable._x000D_ 5. Fit for the 51mm diameter size tail exhaust pipe._x000D_ _x000D_ Specifications:_x000D_ Material: Stainless steel_x000D_ _x000D_ Color: Silver _x000D_ Size: 3.9 x 8.2cm / 1.54" x 3.23"_x000D_ _x000D_ Outside Diameter:51mm / 2"_x000D_ _x000D_ Package Weight: 97g_x000D_ _x000D_ Package Included:_x000D_ 1 x Silencer _x000D_ _x000D_ Note:_x000D_ _x000D_ 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. _x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. PackageList: