Installation is easy but you will need a tool to tighten the screws. There are three of these that need to be loosened and tightened. The product mentions that I will also work with exhaust pipes as small as 1.5 inches. The product does not show the actual size, please note that it is very noticeable, when it is attached, people will see and understand, this is a good accent on the car. I am very happy with my purchase, the quality goes beyond what you actually pay for, I think it's a great…