Corsa 2017-2022 Chevy Colorado 3.6L Crew Cab Sport Cat-Back System Single Rear Exit Polished TipsCorsa 2017 2022 Chevy Colorado 3. 6L Crew Cab Sport Cat Back System Single Rear Exit Polished Tips 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