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i have a pt cruiser with a rear spoiler, since im not technically inclined im afraid of taking it off for fear of not being able to put it back on if it does help mileage. is there anyone that can tell me if that rear spoiler actually does help on mileage with my particular car or not? im not talking about the little "lip" spoiler, im talking about the actual spoiler that comes off the top back of the car.
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