Have any of you ever siped your tires?
I have the Sport Package tires, and I went through last winter with them. However, I am planning on getting new 17" wheels/tires in the spring, and probably new winter tires next winter, so i was thinking about siping the tires for this winters final use. Can you guys tell me some pros and cons of siping?
Thanks in advance!

The advantage is improved grip and stopping, especially on ice. Some also think that it improves tire life because siping allows tire heat to dissipate more efficiently. The only con that I know of is that the tires will make more noise.