The MagnaFlow 2000-2004 Audi A6 Quattro Touring Series Cat-Back Performance Exhaust System is the perfect partner for your 2.7L 2000-2004 Audi A6 Quattro to take on a grand tour or a weekend cruise thanks to the powerful resonant exhaust note and dyno-proven performance it brings to the table. This durable corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing mandrel bent 2.5in. main piping and 4 Straight-Through muffler that terminate in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips. 16493 features a cat-back layout design to replace your import's stock exhaust components from the catalytic converter on back. This Audi A6 Quattro exhaust system is compatible with 2000-2004 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install direct-fit design that fits your Audi A6 Quattro like a glove. 16493 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's limited lifetime construction warranty.