The MagnaFlow 2018-2019 Audi A5 Sportback Sport Series Cat-Back Performance Exhaust System enhances your 2.0L 2018-2019 Audi A5 Sportback with an aggressive character that is sure to help you stand out from the other Audi A5 Sportback you encounter on the street. With its 3in. diameter fast-flowing mandrel bent main piping that passes through 2 Straight-Through mufflers before ending in a Dual Split Rear exit with 4.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips this dyno-proven Audi A5 Sportback exhaust system refuses to be ignored. As such 19390 is tuned to produce our powerful resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels so please check to ensure compliance with local noise regulations. The system's cat-back design replaces all your import's stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable corrosion resistant stainless steel construction of 19390 is backed by MagnaFlow's limited lifetime warranty.