This is a Chrome plated steel cocktail shaker muffler that slips over 1.75in pipes. This muffler has an older look compared to some of the cocktail shakers available on the market currently. It features a longer/skinnier megaphone more like the now obsolete "Superior" or "MCM" style. comes with a removable silencer, band clamp and an adjustable mounting bracket. can be mounted as left or right. sold individually. 21in long