The MagnaFlow Honda Civic Competition Series 19383 brings an aggressive, attention-grabbing edge to the deep resonant exhaust note we re so well known for. This cat-back exhaust kit is designed to enhance your 2.0L 2017-2021 Honda Civic with dyno-proven performance made possible thanks to fast-flowing mandrel bent 2.5in. diameter piping that passes 4 Straight-Through-Multi-Chamber mufflers ending in a Triple Center Rear exit with 4.5-4in. Carbon Fiber carbon fiber tips. The direct-fit design allows for an easy, do-it-yourself installation process. Exhaust system 19383 is engineered to make your Honda Civic s engine produce Moderate interior and Agressive exterior sound levels, befitting its competition-oriented design. 19383 s direct-fit design makes installation a breeze thanks to the use of advanced 3D scanning techniques. This muscle car exhaust system is made of 100% durable and corrosion-resistant stainless steel and produced using CNC precision robotic manufacturing, all backed by MagnaFlow s limited lifetime construction warranty. Please check to ensure compliance with local noise regulations.