Corsa Performance 8004002 dB Series Diesel Muffler

5.9L Cummins Muffler Upgrade Kit Center In CORSA's Reflective Sound Cancellation(R) (RSC) Technology allows acoustic engineers to create a drone free exhaust sound, styled specifically to fit the personality of your vehicle. Each system is designed to increase vehicle performance, deliver an AGGRESSIVE SOUND under acceleration and a DRONE-FREE EXPERIENCE during cruise. Performance gains are not affected by sound choice. No Drone Reflective Sound Cancellation RSC Technology Custom Tuned - Aggressive Exhaust Note Mitigates Most Drone Inducing Frequencies 304 Stainless Steel Construction Incl. Notched And Expanded Inlets And Outlets