Corsa 2011-2014 Ford F-150 6.2L V8 Polished Sport Cat-Back ExhaustCorsa 2011 2014 Ford F 150 6. 2L 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 Single Side Exit with Single 4. 0in. Polished Slash Cut Tip