Larger diameter exhaust tips now available, for 1.75" diameter exhaust pipes. Exhaust tips machined out of solid brass stock, a perfect fit for any 1.75" exhaust pipes. These classy tips will finish off your Triumph, BSA or custom bike nicely. They can be mounted in a variety of ways, but include a pair of 316 stainless steel 10-32 x 3/8" button head allens and a pair of 316 stainless steel nylock nuts for easy installation. They extend out .6" from your pipe and have a beveled edge. Sold per pair. Note: It is advisable to check the inside diameter of the pipes you want to use these tips on to be sure they are going to fit . Not all tubing used to make exhaust pipes will have the same wall thickness . These tips have an OD {outside diameter} of 1.63" that is for the smaller portion of the exhaust tip that will fit inside the pipes.