Capristo Ferrari 355 stainless steel bypass exhaust valve kit

Ferrari 355 exhaust by-pass valve kit (incl. sealing rings)

This valve has been specifically built to solve problems previously associated with unit failure OEM. The OEM valve typically failed in the "closed" position, resulting in high exhaust back pressure, which resulted in thermal damage to the engine and/or cylinder head. The CAPRISTO replacement valve has been redesigned in a different configuration. In the event of vacuum and/or electrical failure, the valve automatically returns to the open position, relieving excess back pressure. This protects engine components and exhaust manifolds from heat damage.

The system is fully compatible with the optional CAPRISTO remote control. The remote control gives the driver the ability to open the valve at will, at the touch of a button. A more complete description of the standard valve remote control can be found in our remote control section.

The standard remote control kit IS NOT INCLUDED in this package.

Note to installer:

Since the CAPRISTO valve uses vacuum to close (OEMs use vacuum to open), make sure your vehicle generates a vacuum pressure of at least 0.7-0.8 bar or 10-12 psi. This ensures that the valve closes properly without any noise. All vacuum lines and equipment that rely on vacuum must be inspected if this vacuum is not being generated by the vehicle.