Edge Products' EZ Module ($525) is said to give Cummins diesels in 19981/2-2004 Dodge pickups up to 70 more horsepower and 220 more pound-feet of torque. The plug-and-play EZ Module works with the factory drivetrain computer to enhance fuel and ignition curves and increase turbo boost. The do-it-yourself installation takes about 10 minutes. Edge Products Inc.; 888/360-3343.
www.edgeproducts.com