Quote:
Originally Posted by glorydays
couldnt you save more by simply laying off the pedal? cheapest mods are the ones to the driver.
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You could do both and get even more. I don't see how improving your car's efficiency is a bad thing. If you don't like the looks cool, don't get one. Diffusers do work and work well. The will USUALLY decrease drag and increase downforce. And if you balance the car back out, what do you get? A more stable car at highway speeds and better gas mileage. Win Win in my book. Oh yeah, if you race, the possibility of better lap times.
