aFe Scorcher HD Performance Chip 00-01 Ford Diesel Trucks V8 - 7.3L AutomaticaFe POWER SCORCHER HD performance chips deliver significant power gains by increasing turbo boost as well as optimizing fuel injection timing and pulse width. Unlike many other chips on the market that flash the ECM, our performance chips receive data from the ECM and alter signals appropriately. They are easy to install and require no cutting, splicing, or modifications. There are four power settings for on the fly adjustability and to accommodate