Ferrari F12 / 812 Valved Sport Exhaust SystemThe 6. 3 liter Ferrari V 12 reminds us why naturally aspirated is king. Out of the box, the Ferrari F12's exhaust is well optimized. Many companies offer bypass pipes which substantially increase volume, but at Valvetronic Designs we have taken a different approach. We initially designed these muffler bypass units for a customer who wanted a small increase in volume with the valves open, and a more well rounded exhaust experience, and now we are proud