Corsa Performance 24392 Sport Cat-Back Exhaust System for 11-14 F150

3.0in. Cat-Back Single Side Exit with Single 4.0in. Polished Slash Cut Tip 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. Patented No Drone Reflective Sound Cancellation RSC Technology Custom Tuned - Aggressive Exhaust Note No Drone At Cruise Flows Better Than Stock Aggressive Slash Cut Polished Stainless Steel Tip