MagnaFlow released a new 5-inch Stainless Steel Filter-Back Tailpipe for Duramax Silverados and Sierra 2500HD and 3500HD trucks. The new tailpipe is fitted for passenger side rear exit of the truck and increases performance in horsepower and torque. Offering a smooth, deep tone, the tailpipe has a lifetime warranty, is dyno-tested and proven to increase power. It is easy to install, is mandrel-bent, all welded, and built to last. (800-824-8664/www.magnaflow.com)