Corsa Performance 14789 Xtreme/Touring Axle-Back Exhaust System for Camaro

2.75in. Axle-Back Exhaust with Dual Mode NPP; Dual Rear Exit with Twin 4.0in. Pr CORSA's Patented 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. CORSA's innovative Valved Exhaust System allows drivers to customize their driving experience using Dual-Mode NPP. Performance gains are not affected by sound choice. Patented No Drone; Reflective Sound Cancellation RSC Technology Custom Tuned And Aggressive Exhaust Note Robust Valve Assembly And Components Are Designed To Last Over One Year of Valve Research And Development No Drone At Cruise Regardless Of Valve Position Or Mode