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- Plano, Texas, USA
Yeah I have the same feeling each time I put a new air filter in. Depending on how dirty your old filter is, most likely it's our imagination! The best you can see may be 0.5 mpg increase on fuel consumption.⋯ Am I imagining things, or did I really improve things that much getting rid of the old dirty air filter?
BTW, what kind of air filter did you get?