Originally Posted by wantz12
Interesting. My mileage has remained essentially the same. I'm hoping it will actually increase when I put am exhaust on.
I would have taken that! After two weeks with the intake I saw no changes from the lower mileage. Within 5 days of removing the intake and putting back the stock box with drop in (and the flap/snorkel - which was there with the intake), I was back up to 36.2 mileage (ford computer).