Corsa Performance 14776 Xtreme/Touring Valve-Back Exhaust System for Corvette

2.75" Valve-Back w Dual Mode NPP CORSA's Reflective Sound Cancellation® (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. No Drone, Reflective Sound Cancellation (RSC) Technology Custom Tuned, Aggressive Exhaust Note, Over 17dB delta Valve Open vs Closed No Drone At Cruise Regardless of Valve Position or Mode 304 Stainless Steel Construction Delivers an Average 7 Horsepower Gain