Originally Posted by
Jr_SS
Yeah, they aren't known to get super good fuel mileage on the turbo models. I would expect you to be getting slightly better fuel mileage though. Perhaps mid twenties. Like you said, time to look over a few things. I do have a Nismo adjustable FPR laying around some where of that is the culprit.
Is it a bolt on affair? Does it have a gauge attached to it? Lastly how much?