You will get a brand new shorty reverse cone muffler as pictured. If you need 2 then choose quantity2. for your custom, This comes with a set of exhaust shims to fit 1 3/8, 1 1/2, 1 5/8, 1 3/4 pipes, and exhaust pipe clamp. This is chromed and measures 18″ long, and will fit either side with the universal bracket. The cone end diameter is 3 3/4″. You can remove the cone and get to the inside of these, and remove or add baffles. Check out our ebay store for more British bike stuff. We combine shipping costs on multiple wins. If you have any questions please feel free to ask. Enjoy