Single Side Exit;Polished;California Residents: WARNING
Sound waves are reflected within the muffler case, producing a cancellation wave effect, with no flow restriction and without electronic devices. Corsa Sport Cat-Back Exhaust System - 14871 The reduction in back pressure allows the engine to produce more horsepower and torque. Corsa Exhaust System s straight through design with their patented RSC noise cancellation technology allows them to tune out undesirable low frequencies that cause the dreaded drone while still reducing back pressure..