http://autochipsdirect.com/
The ACD Performance Module (Performance Car Chips, Truck Performance Chips, Fuel Saver Chip) is the answer to today's high fuel prices and all of us looking to squeeze that hidden power and fuel economy out of your engine. Typical gains with our products is a horsepower gain of up to +40 HP, while gaining up to +8 MPG in fuel mileage due to increased engine efficiency! The way that our products work is by sending a continuous signal through a factory engine data sensor that your Factory Engine Control Module (ECM) monitors.