Available from Scott Drake, this Head Pipe for 1967 200 6-Cylinder Mustang with Manual Transmission is the pipe that connects the exhaust manifold to the intermediate pipe. It comes in the 1-3/4" diameter and the flange is included. As well, it's also aluminized to resist rust.Two size head pipes were used in '67. Manual Transmission cars have a 1-3/4" head pipe, while Automatic Transmission cars have 2" head pipes.