Exhaust Pipe Duramax Turbo Direct Pipe Duramax Turbo Direct Pipe; Black Finish; Hardware Not Incl.; 409 Stainless Steel; SPECIFICATIONS: Material: 409 Stainless Steel FEATURES: Turbo Direct Pipe One End Is Flanged; The Other End Is Round FITS 2001-2004 1/2. Does not fit applications built for sale in Canada or California. One end is flanged, one end is round. The 8th digit of the VIN will determine what engine is in the truck. Pypes Performance Exhaust supplies complete mandrel bent, performance exhaust systems for American performance vehicles ranging from the 1950's to the present day.Our systems and accessories are fabricated using stainless steel materials that will provide their owners with long-term service and satisfaction. Pypes products are backed by our limited lifetime warranty! We sweat the details! We offer a great price on high-quality stainless steel exhaust systems that are painstakingly designed to deliver great fit, sound and value!One of the principal ways of getting a lot of bang for your performance buck is to replace your car's compression-bent exhaust system with a mandrel bent system.The simple fact is that a mandrel bent exhaust system will flow twice as efficiently as a compression-bent system and we all know that efficient flow is one of the main ingredients of power. At Pypes Exhaust we offer just about everything you will need for your vehicle's exhaust. From manifolds/headers all the way to the tips, we got it all. We have mufflers that are tailored for the sound you are looking to hear. Look for our unique products, like the Pype Bomb, mid-muffler systems, tips, stacks, and the H & X Boxes.