MagnaFlow has released the Cat-Back performance exhaust for the 2004.5-2007 Ram 2500/3500 L6 5.9L. Made from 5-inch aluminized steel, this Cat-Back performance exhaust features a single passenger side rear exit. Complete with limited warranty, dyno-tested and proven to make power, performance gains in horsepower and torque, great smooth, deep tone, and is easy to Install. Mandrel-bent. All-welded. Built to last. (800-824-8664/www.magnaflow.com)