GAS MILEAGE on 02+ WRX
tuning is a must with these. Every little thing I changed I could feel, even just swapping out to silicon hoses. To keep the best gas mileage you'll want to be tuned right. Mine makes 275awhp and I'm getting around 24 with city/highway mix.
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I guess that's all I can get on avg. I'll let him know to expect 22-25mpg city. thnx guys


