You’re about to replace your tires and maybe you want to go for bigger or more performance-oriented tires. But is that the right thing to do? There are so many considerations when substituting the Original Equipment tire. This manual lays out all the facts, along with detailed charts and tables, so that you can make a safe and sensible choice. This is not a substitute for the assistance of a tire professional but will help you be more educated so that you can be involved and informed in your tire selection.