Looking to see if anyone has any first hand experience with this stuff-

http://corrosionfree.com/automotive.htm

Theres a local body shop which is quoting me 150 bucks to spray this stuff under the car, engine compartment, inside door sills ect. With special emphasis on above the rear subframe and around it, behind the rear tires, and behind the front fenders at the bumper where they all rust.

Is this worth it?

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