TireRack.com is offering a $70 Mail-in Rebate when you buy any new set of four Michelin tires. The Winter X-Ice Xi2 Tires drop from $232 to as low as $162 for a set of four after the rebate. Shipping starts at $50, but varies by region. You can also have the tires sent to the nearest store for installation. This is the lowest price we could find by $150. You can print the mail-in rebate here, which is valid on purchases made by April 15th, 2013. This rebate form, along with your invoice must be received by May 15th, 2013 to qualify. Sales tax is charged in most states.