CORSA Performance Catback 24921 dB by CORSAs patented Reflective Sound Cancellation« (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, and a deep aggressive rumble. Computerized; mandrel bent; straight through design for maximum airflow which improves fuel economy and performance. 3.0in. Cat-Back; Dual Rear Exit with Single 4.0in. Polished Slash Cut Tips Sport Cat-Back Exhaust System; Dual Rear Exit; 3 in. Dia.; Incl. dB" Muffler/Pipes/Clamps/Single 4 in. Polished Slash Cut Tips; Corsa/dB 09-13 Chevrolet Silverado Reg. Cab/Std. Bed 1500 4.8L V8 Polished Sport Cat-Back Exhaust

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