These cocktail shakers are 18-1/2" long from the bend to the tip, and 20" overall. The upsweep brings the tip up 5". 7" long mounting bracket. Includes a chrome exhaust clamp, these fit 1-3/4" exhaust pipes. They also come with a set of adapters so you can run these on 1-1/2" or 1-5/8" exhaust pipes, as well as the 1-3/4". These are mirror images of each other (Left side / Right side), one to run on each side of the bike. These have baffles which can be easily removed if you want. Sold in pairs as pictured.