armybridger

so i own a 2002 legacy outback with the 2.5L 5 speed... im trying to find performance upgrades that arent too expensive. my main goal is to raise my gas mileage... im having a huge problem finding parts. im not a huge car guy and everything im looking at either says legacy or outback...which one should i pick and then what kind of "trim" any help will be grately appreciated!