Quote:
Originally Posted by 14'ecocruze
What kind of gains did you see from the airdam? I find it more intriguing when air dams are so successful on smaller cars. I know my Explorer could use one but that will come when I get a chance to pick up a junkyard front bumper. The Cruze I wouldn't expect much gain with the underbody panels and all besides clearance being too low for areas I drive already.
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I never did ABA testing on the airdam, since it is a common mod, known to work. What I noticed when it had to be replaced a few years ago, and once when it was hanging down after I hit it into a parking block, is that I seemed to lose two or three MPG. "Most successful" to me is not just about the increase in FE, but also abut the cost and complexity of the mod itself. This one rates really high in that thinking. But you have to attach it well from the first. My PS delete is similar: 1-3 mpg for merely removing a part is pretty damned good return on investment.