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  1. U

    MPG and Towing Package RECM

    I've got 2,600 miles on my '08 AWD GT with towing package, and get 16 mpg with no AC running in 80% suburb / 20% hwy driving. Does anyone know if the "Revised Engine Control Module" that is included in the towing package affects mpg when not towing? I only have the towing package because it...
  2. U

    31 more mpg? 35 more HP?

    Has anyone ever tried one of these? Mileage Maxx Vortex Generator Any good reasons not to?
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