I have it on both vehicles. My wife just had to have a tire replaced that was well over a year old, and it only cost around $10 for the tire (of course, she had to buy the warranty for the new tire, so that bumped up the price a bit). I also didn't have to pay for it when I bought the tires because my brother worked for Firestone at the time
.
My opinion? I would get it. Either spend a little now, or spend a lot later (if needed) for a new tire. Kind of like insurance.
Hope this helps!
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PC Tim
Lawrence, MA
L.O.S.T. Lifetime Member TC055700
2004 Sport with just enough to get me in trouble
http://picasaweb.google.com/TRCorcoran