Give your Diesel Truck an authoritative look and sound, as well as a significant power increases with BD's stainless steel X-Hale turbo-toe-tail pipe singl exhaust systems. These hot BD Diesel Performance Diesel X-Hale Exhaust System feature four-inch seamless, mandrel-bent tubing, six-inch polished 304 SS muffler and five-inch polished 304 SS, rolled tip. Alternately, choose from one of our famous aluminized four-inch cat-back systems. The BD Diesel Performance Diesel X-Hale Exhaust System Big Mac muffler slips onto the mandrel-bent, over-axle pipe and is finished off with a chrome tail pipe extension. It not only looks cool, it sounds tough and improves turbo response by reducing backpressure. Plus, it's easy to install! For even greater performance gains, we recommend our turbo-to-cat sections, but this kit will require some welding to fit at the factory cat. Got a ‘89-'93 truck? Not to worry, because we've got you covered, too. Our 3.5-inch, mandrel-bent over-axle pipe and low restriction muffler represents a 100% improvement over the stock exhaust system. For 4x4 applications, we also offer a mandrel-bent intermediate pipe that improves the routing around the transfer case for improved flow and more power. BD Diesel has been building aluminized systems since 1989, so we have part numbers the others don't even bother with. When you think of high-performance exhaust for your diesel truck, think BD Diesel