Quote:
Originally Posted by ///M1
Pre tune was about 25-26mpg highway, post is about 27-28 (when set in cruise control mode say mid 70 mph or driven fairly uniformly).
Sprited driving/cuty dips to high teens
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Yeah, that's true...I noticed that my tune also increased MPG, but I kind of expect this with turbo tunes anyway (as I've stated before). My STi was the exact same way...until you start throwing more air into the mixture, then you'll start seeing it go back down again.