Replacing Tires in Pairs: Where to Install Two New Tires
[caption id="attachment_9097" align="alignright" width="500"]
Good tread means good traction and contact with the road.[/caption]
We always recommend installing new tires in sets of four—changing out a complete set will improve handling, comfort, and performance. If you prefer to replace tires in pairs, however, we can make that work—as long as they're the same size as the tires already on your vehicle, and installed on the rear axle.
Read More: Which tires wear faster: front or rear?

Why the rear axle?
When replacing tires in pairs, the new tires should always be installed on the rear axle; the better of the partially worn tires should be moved to the front. Placing the newer tires on the rear axle will allow for better handling, especially on wet roads— tires with deeper treads can keep a better grip on the road and are therefore better equipped to resist hydroplaning.Read More: Which tires wear faster: front or rear?