I use Meguires (sp?) 'High Endurance'. It's a liquid that you apply to an applicator sponge or pad and then smear on the tires. I don't use any tire dressings on my Mustang, but I use this stuff on my wife's Taurus and really like it. The best stuff I've used thus far (I've been through Armour All, Tire Wet, etc., etc.)
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PS - Nice avitar!
