Corsa Performance 21789CF Valved Axle-Back Exhaust System for 16-24 Chevy Camaro

2.75in. Axle-Back Exhaust with Dual Mode NPP; Dual Rear Exit with Twin 4.5in. Ca 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 - Aggressive Exhaust Note Robust Valve Assembly And Components Are Designed To Last Over One Year Of Valve Research And Development/Extensive Real World Testing No Drone At Cruise Regardless Of Valve Position Or Mode