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Review title: Easy Install
Product review: They work great,not as noisy as some reviews say. Easy to install,take your time and plan out wire routes and tie strap all in place for a neat install. Only draw back is you need to install a direct power switch to run fans if control fails. 1 mile per gallon increase towing 3500lbs with my 99 tahoe. And on a 365 mile trip thats a 5 gallon increase. havent checked no load milage yet.
