CB Engineering 2012-2017 Jeep WK2 WH2 Grand Cherokee Crank Case Ventilation Reroute kit. Kit includes all the components to reroute your CCV system from the intake into the exhaust. This kit has been designed to keep the CCV system within the factory pressure levels. This kit has been testing for over two years and over 40,000 miles. It has been from below sea level to 14,000 ft and -30 degree F to over 110 Degrees ambient temperature. Keep the CCV vapors from getting it your intake and filling it up with oil. We can weld the exhaust inlet into our Off Road Pipe. Includes assembly instructions.