The MagnaFlow SYS C/B 98-00 BMW 323 2.5LL is a complete performance exhaust system designed to increase horsepower and torque while reducing backpressure. The system includes a mandrel-bent stainless steel tubing, high-flow catalytic converters, and a stainless steel muffler. The system is designed to provide maximum flow, power, and sound while still meeting emissions standards. The system is designed to fit the 1998-2000 BMW 323 2.5L engine.