Exhaust Pipe SilencerSpecial noise reduction liner, greatly reduces the machine noise, which let your vehicle almost keep the wind sound.Original quality and super silence, will bring you a good experience. Unique DesignIt has a spring inside, to dissipate some of the sound by vibrating. It's definitely quieter and tidier sound. Does not howl/resonate as with just a bare pipe. Pipe Silencer, Reduce engine exhaust noise, and enable high-temperature exhaust gas to be discharged safely and effectively. for heater exhaust pipe. Free Expansion: Silencer can be independently supported, and can be freely expanded during operation and shutdown, so that the exhaust pipe is not subjected to additional load due to the installation of the muffler to ensure the safety and reliability of the exhaust pipe work. Material Made of stainless steel, has sufficient heat resistance and corrosion resistance, the equipment durability.Easy installation, good noise reduction, long life and other characteristics. Size Package: Diameter of this silencer tube is 24mm/0.94in, which can be easily and seamlessly inserted into the 25mm/0.98in exhaust pipe ; 1 Pcs Exhaust Pipe Silencer + 2 Pcs Screws + 1 Pcs Mounting Brackets - Made of high quality stainless steel, has sufficient heat resistance and corrosion resistance, extremely durable.Good noise reduction, long life and other characteristics. - Pipe Silencer, Reduce engine exhaust noise, and enable high-temperature exhaust gas to be discharged safely and effectively. As a part of the exhaust pipe, the muffler should ensure smooth exhaust, low resistance and sufficient strength. for heater exhaust pipe. Specification: Material: Stainless steel Color: Silver Muffler outer diameter: about 24mm/0.94in Packing List: 1*Exhaust muffler 1*Bracket 2*Screw