The MagnaFlow Audi A4 Quattro Touring Series 16601 brings enhanced engine sound and dyno-proven performance to your 1.8L, 2.0L 2002-2008 Audi A4 Quattro with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Audi A4 Quattro exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your Audi A4 Quattro’s exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 2.5in. main piping and 4 Straight-Through muffler ending in a Dual Split Rear exit with 4 Polished Welded-Double Wall-Angle Cut-Rolled Edge-Resonated tips, your muscle car will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16601 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.