Ferrari 348 - FreeFlow ExhaustA perfect fit for your Ferrari 348. This system will enhance the 8 cylinder sound and you will experience an increase in horsepower and sound due to a more efficient flow of the exhaust system. This system is essentially the same as the valved unit, but the valved section is removed. This makes the system a full free flow design giving you the famous F1 sound. An increase in horsepower and sound results through a more efficient flow of the exhaust