Corsa 2009-2013 Chevrolet Silverado Reg. Cab/Long Bed 1500 4.8L V8 Polished Sport Cat-Back ExhaustCorsa 2009 2013 Chevrolet Silverado Reg. Cab Long Bed 1500 4. 8L V8 Polished Sport Cat Back Exhaust dB by CORSA's patented Reflective Sound Cancellation(R) (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