Performance exhaust systems are aftermarket modifications designed to enhance a vehicle's engine efficiency and power output. By improving the flow of exhaust gases, these systems can reduce back pressure, allowing the engine to breathe better. This can lead to increased horsepower and torque, making the vehicle more responsive and enjoyable to drive. In addition to performance benefits, performance exhausts often produce a more aggressive sound compared to standard exhaust systems. This is achieved through the use of larger pipes, high-flow catalytic converters, and specialized mufflers. Many enthusiasts choose these systems not only for the performance gains but also for the enhanced auditory experience they provide.