In this business, one of the most common misconceptions i hear, concerns fuel efficiency. Most people assume that Fuel Efficiency equals better gas mileage, and lets face it, thats an easy assumption to talk yourself into with todays high gas prices. For most people, when they buy a performance part that promises better fuel efficiency, the placebo effect kicks in and they might believe they are getting that extra mpg, but in reality, its just not true.

Let