Motor Tremd just did a show on these wipers. Here's the claim, "The wipers leave silicon on the windshield which helps repel water. They do not last longer than wipers at all. The benefit is it leaves silicon on the windshield."
Rain-X works fine. I put it on after every other car wash and have not had the need to even use them in all this rain lately. Nothing beats driving in the rain where you don't use your wipers and can still see while everyone else has those wipers cranking full speed and still can't see. Oh by the way Rain-X is like 5 bucks and the bottle has lasted me more than 3 years. How is that for value, and I don't even use wipers on the highway saving hte life of my stock wipers.
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