Not that I know of. The only mpg readings are on the clock display. The 2012 XT has a mpg real time needle indicator by the tach. But its not of much...
Cobb downpipe, GrimmSpeed coated uppipe, OpenSource Stg II tune, Mode adjustable short throw shifter (same as Cobb), Kartboy shifter bushings, K&N air filter, intake silencer delete, Perrin silicon hoses, STI catback
Suspension/Wheels mods:
Bridgestone Potenzas on stock rims for summer, Yokohama Ice Guards on steelies for winter, SS brake lines, ATE SuperBlue brake fluid, HAWK HPS pads, Whiteline swayabars and endlinks: 24mm front, 22mm rear
Interior/Exterior/Accessories:
Rally Armor mud flaps, debadged trunk, Hella foglamps in stock fog location, STI gauge cluster