Valvetronic Design Ferrari GTC4 Lusso Valved Exhaust systemWelcome everyone to a sound revelation for the Ferrari GTC 4 Lusso. From the factory, these cars are very tame, but when uncorked the beast is truly unleashed. The Valvetronic Designs valve sport exhaust system gives you ultimate control over your Ferraris V12 sound experience. With the exhaust valves closed, a stock like sound level can be expected. Perfect for coming home late or leaving your neighborhood early. When operating with the valves opened